GMC ACADIA 2018

Complete listing of complaints and recalls for this vehicle

448
Complaints
2
Recalls

Complaints & Recalls

448 Complaints 2 Recalls

Official Safety Recalls - Important!

2 Recalls

These are official manufacturer recalls ordered by NHTSA for safety defects. If you own this vehicle, contact your dealer immediately for free repairs.

General Motors Llc
NHTSA Campaign: 18V358000 SAFETY RECALL
895 Vehicles Affected
Recall Date: May 31, 2018
Safety Issue:

General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.

Potential Risk:
A damaged fuel line can create a fuel leak, increasing the risk of a fire.
FREE Recall Solution:
GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: 18188 18268
Notice Date: Jul 2, 2018
Recall Date: May 31, 2018
General Motors Llc
NHTSA Campaign: 17V516000 SAFETY RECALL
2.9K Vehicles Affected
Recall Date: Aug 22, 2017
Safety Issue:

General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.

Potential Risk:
If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
FREE Recall Solution:
GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 17329.
Additional Details:

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Action Required: Contact your local GMC dealer to schedule your FREE recall repair.
Manufacturer: GMC
Mfg Campaign: 17329
Notice Date: Aug 25, 2017
Recall Date: Aug 22, 2017

Consumer Complaints

448 Complaints
General Motors, Llc
Campaign: 11528642 Other
Jun 24, 2023
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Corrective Action:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Additional Notes:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Manufacturer: GMC
Mfg Campaign: 11528642
Notice Date: Jun 24, 2023
Recall Date: Jun 24, 2023
General Motors, Llc
Campaign: 11528642 Other
Jun 24, 2023
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Corrective Action:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Additional Notes:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Manufacturer: GMC
Mfg Campaign: 11528642
Notice Date: Jun 24, 2023
Recall Date: Jun 24, 2023
General Motors, Llc
Campaign: 11528642 Other
Jun 24, 2023
Defect Description:

LANE DEPARTURE: ASSIST

Potential Consequences:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Corrective Action:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Additional Notes:

The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.

Manufacturer: GMC
Mfg Campaign: 11528642
Notice Date: Jun 24, 2023
Recall Date: Jun 24, 2023
General Motors, Llc
Campaign: 11527012 Other
Jun 14, 2023
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

The vehicle would intermittently display a "Shift to Park" message and sound alert chiming when moving shifter to park position. The car could not be parked until the chiming and message were dismissed by jiggling the shifter, sometimes after a prolonged battery-draining attempt to end the condition.

Corrective Action:

The vehicle would intermittently display a "Shift to Park" message and sound alert chiming when moving shifter to park position. The car could not be parked until the chiming and message were dismissed by jiggling the shifter, sometimes after a prolonged battery-draining attempt to end the condition.

Additional Notes:

The vehicle would intermittently display a "Shift to Park" message and sound alert chiming when moving shifter to park position. The car could not be parked until the chiming and message were dismissed by jiggling the shifter, sometimes after a prolonged battery-draining attempt to end the condition.

Manufacturer: GMC
Mfg Campaign: 11527012
Notice Date: Jun 14, 2023
Recall Date: Jun 14, 2023
General Motors, Llc
Campaign: 11525464 Other
Jun 5, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

The contact owns a 2018 GMC Acadia. The contact stated that while parking the vehicle, the transmission was shifted into park(P) however, the "Shift to Park" message was displayed after the contact pressed the Auto Start/Stop button. The contact had to depress the brake pedal while pushing the Auto Start/Stop button to turn the vehicle back on and then shift the transmission from drive(D) to Park(P) approximately 3-4 times before the failure was corrected. The dealer was made aware of the failure; however, the vehicle was not diagnosed or repaired. The contact stated that the dealer had previously replaced the gear shift assembly; however, the failure recurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 47,211.

Corrective Action:

The contact owns a 2018 GMC Acadia. The contact stated that while parking the vehicle, the transmission was shifted into park(P) however, the "Shift to Park" message was displayed after the contact pressed the Auto Start/Stop button. The contact had to depress the brake pedal while pushing the Auto Start/Stop button to turn the vehicle back on and then shift the transmission from drive(D) to Park(P) approximately 3-4 times before the failure was corrected. The dealer was made aware of the failure; however, the vehicle was not diagnosed or repaired. The contact stated that the dealer had previously replaced the gear shift assembly; however, the failure recurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 47,211.

Additional Notes:

The contact owns a 2018 GMC Acadia. The contact stated that while parking the vehicle, the transmission was shifted into park(P) however, the "Shift to Park" message was displayed after the contact pressed the Auto Start/Stop button. The contact had to depress the brake pedal while pushing the Auto Start/Stop button to turn the vehicle back on and then shift the transmission from drive(D) to Park(P) approximately 3-4 times before the failure was corrected. The dealer was made aware of the failure; however, the vehicle was not diagnosed or repaired. The contact stated that the dealer had previously replaced the gear shift assembly; however, the failure recurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 47,211.

Manufacturer: GMC
Mfg Campaign: 11525464
Notice Date: Jun 5, 2023
Recall Date: Jun 5, 2023
General Motors, Llc
Campaign: 11524995 Other
Jun 2, 2023
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

When turning off engine it displays "shift to park" and won't shut off. This has been ongoing since I purchased vehicle but is much worse now

Corrective Action:

When turning off engine it displays "shift to park" and won't shut off. This has been ongoing since I purchased vehicle but is much worse now

Additional Notes:

When turning off engine it displays "shift to park" and won't shut off. This has been ongoing since I purchased vehicle but is much worse now

Manufacturer: GMC
Mfg Campaign: 11524995
Notice Date: Jun 2, 2023
Recall Date: Jun 2, 2023
General Motors, Llc
Campaign: 11520554 Other
May 5, 2023
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

Vehicle does not shut off when shift to park. Must put vehicle in gear then shift to park numerous times in order to get the vehicle shut off. Vehicle will not start. Requires numerous attempts applying brake to start

Corrective Action:

Vehicle does not shut off when shift to park. Must put vehicle in gear then shift to park numerous times in order to get the vehicle shut off. Vehicle will not start. Requires numerous attempts applying brake to start

Additional Notes:

Vehicle does not shut off when shift to park. Must put vehicle in gear then shift to park numerous times in order to get the vehicle shut off. Vehicle will not start. Requires numerous attempts applying brake to start

Manufacturer: GMC
Mfg Campaign: 11520554
Notice Date: May 5, 2023
Recall Date: May 5, 2023
General Motors, Llc
Campaign: 11516506 Other
Apr 11, 2023
Defect Description:

SUSPENSION

Potential Consequences:

Suspension did not meet yearly state inspection standards. Service advisor/technician stated “control arm bushing deteriorated- excessive play”. Rear control arms could be moved with hand pressure excessive play. They stated that this is a very common problem with this make of car at this mileage (41,633).

Corrective Action:

Suspension did not meet yearly state inspection standards. Service advisor/technician stated “control arm bushing deteriorated- excessive play”. Rear control arms could be moved with hand pressure excessive play. They stated that this is a very common problem with this make of car at this mileage (41,633).

Additional Notes:

Suspension did not meet yearly state inspection standards. Service advisor/technician stated “control arm bushing deteriorated- excessive play”. Rear control arms could be moved with hand pressure excessive play. They stated that this is a very common problem with this make of car at this mileage (41,633).

Manufacturer: GMC
Mfg Campaign: 11516506
Notice Date: Apr 11, 2023
Recall Date: Apr 11, 2023
General Motors, Llc
Campaign: 11516606 Other
Apr 11, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

unknown

Corrective Action:

unknown

Additional Notes:

unknown

Manufacturer: GMC
Mfg Campaign: 11516606
Notice Date: Apr 11, 2023
Recall Date: Apr 11, 2023
General Motors, Llc
Campaign: 11516606 Other
Apr 11, 2023
Defect Description:

SUSPENSION

Potential Consequences:

unknown

Corrective Action:

unknown

Additional Notes:

unknown

Manufacturer: GMC
Mfg Campaign: 11516606
Notice Date: Apr 11, 2023
Recall Date: Apr 11, 2023
General Motors, Llc
Campaign: 11516606 Other
Apr 11, 2023
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

unknown

Corrective Action:

unknown

Additional Notes:

unknown

Manufacturer: GMC
Mfg Campaign: 11516606
Notice Date: Apr 11, 2023
Recall Date: Apr 11, 2023
General Motors, Llc
Campaign: 11516296 Other
Apr 10, 2023
Defect Description:

ENGINE

Potential Consequences:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Corrective Action:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Additional Notes:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Manufacturer: GMC
Mfg Campaign: 11516296
Notice Date: Apr 10, 2023
Recall Date: Apr 10, 2023
General Motors, Llc
Campaign: 11516296 Other
Apr 10, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Corrective Action:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Additional Notes:

We own a 2018 GMC Acadia Denali. Upon shifting the vehicle into park, we cannot turn off the engine. The vehicle gives us a "Shift to Park" message on the instrument panel. As a result, we are unable to shut off our engine and, to avoid the battery running out, are forced to attempt to move the shift lever in and out of "Park" to get the car to detect that the shift lever is in fact in ‘Park.’”

Manufacturer: GMC
Mfg Campaign: 11516296
Notice Date: Apr 10, 2023
Recall Date: Apr 10, 2023
General Motors, Llc
Campaign: 11514210 Other
Mar 28, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

I shift the car into park but the vehicle tells me the car is not in park and won't shut off. GM charged me $656.00 to replace the switch and harness.

Corrective Action:

I shift the car into park but the vehicle tells me the car is not in park and won't shut off. GM charged me $656.00 to replace the switch and harness.

Additional Notes:

I shift the car into park but the vehicle tells me the car is not in park and won't shut off. GM charged me $656.00 to replace the switch and harness.

Manufacturer: GMC
Mfg Campaign: 11514210
Notice Date: Mar 28, 2023
Recall Date: Mar 28, 2023
General Motors, Llc
Campaign: 11513919 Other
Mar 27, 2023
Defect Description:

SUSPENSION

Potential Consequences:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Corrective Action:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Additional Notes:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Manufacturer: GMC
Mfg Campaign: 11513919
Notice Date: Mar 27, 2023
Recall Date: Mar 27, 2023
General Motors, Llc
Campaign: 11513919 Other
Mar 27, 2023
Defect Description:

LANE DEPARTURE: BLIND SPOT DETECTION

Potential Consequences:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Corrective Action:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Additional Notes:

The toe links on my vehicle are bad and needs to be replaced. They broke as I was driving. Almost caused me to lose control and almost wreck. Thankfully there were no other cars around. I see this is a recall for GMC’s but for some reason not my vin number. Not understanding why if I have the same problem on vehicles that were recalled.

Manufacturer: GMC
Mfg Campaign: 11513919
Notice Date: Mar 27, 2023
Recall Date: Mar 27, 2023
General Motors, Llc
Campaign: 11514063 Other
Mar 27, 2023
Defect Description:

UNKNOWN OR OTHER

Potential Consequences:

After shifting to park a message comes in screen that is telling me to shift to park I have put it in park so then I have to restart vehicle and move gear shifter back into park sometimes it works on 1st try then sometimes takes extra try’s to get it to clear

Corrective Action:

After shifting to park a message comes in screen that is telling me to shift to park I have put it in park so then I have to restart vehicle and move gear shifter back into park sometimes it works on 1st try then sometimes takes extra try’s to get it to clear

Additional Notes:

After shifting to park a message comes in screen that is telling me to shift to park I have put it in park so then I have to restart vehicle and move gear shifter back into park sometimes it works on 1st try then sometimes takes extra try’s to get it to clear

Manufacturer: GMC
Mfg Campaign: 11514063
Notice Date: Mar 27, 2023
Recall Date: Mar 27, 2023
General Motors, Llc
Campaign: 11510561 Other
Mar 7, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

Erroneous error code on heads up that car not in park. Appears to be in park, error code can be reset by activation/deactivation of trigger switch on shift lever. Provides unclear message if car is or is not in park, vagueness makes me question vehicle park status overall. Issue was very intermittent in 2022, frequency of erroneous error code increasing now happens 1 out of 5 times when shifting to park.

Corrective Action:

Erroneous error code on heads up that car not in park. Appears to be in park, error code can be reset by activation/deactivation of trigger switch on shift lever. Provides unclear message if car is or is not in park, vagueness makes me question vehicle park status overall. Issue was very intermittent in 2022, frequency of erroneous error code increasing now happens 1 out of 5 times when shifting to park.

Additional Notes:

Erroneous error code on heads up that car not in park. Appears to be in park, error code can be reset by activation/deactivation of trigger switch on shift lever. Provides unclear message if car is or is not in park, vagueness makes me question vehicle park status overall. Issue was very intermittent in 2022, frequency of erroneous error code increasing now happens 1 out of 5 times when shifting to park.

Manufacturer: GMC
Mfg Campaign: 11510561
Notice Date: Mar 7, 2023
Recall Date: Mar 7, 2023
General Motors, Llc
Campaign: 11510064 Other
Mar 3, 2023
Defect Description:

POWER TRAIN

Potential Consequences:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Corrective Action:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Additional Notes:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Manufacturer: GMC
Mfg Campaign: 11510064
Notice Date: Mar 3, 2023
Recall Date: Mar 3, 2023
General Motors, Llc
Campaign: 11510064 Other
Mar 3, 2023
Defect Description:

ELECTRICAL SYSTEM

Potential Consequences:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Corrective Action:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Additional Notes:

2018 Acadia will display “Shift to park” warning along with an audible warning when the vehicle is shut off. This happens even though the PRNDL display is in the “Park” position each time. If I try to exit the vehicle, the audible warning continues (apparently indefinitely). This began at an odometer of about 59,200. Initially, the situation could be corrected by restarting the car and shifting in and out of Park or depressing the shift knob several times. Within a couple of hundred miles, it became consistent and eventually could not be corrected as described above. Unfortunately, this is not covered under warranty. I began driving for a few months without the shift knob, simply depressing the plunger on the shift rod coming up from the transmission. Doing this, the warning rarely occurs and, if it does, it’s easily corrected with one or two presses of the plunger. Some modifications of the shift knob have allowed the knob to be used with results similar to driving without the knob. I hope there will be a software update (deployed over OnStar) to use the PRNDL information and eliminate this failed system.

Manufacturer: GMC
Mfg Campaign: 11510064
Notice Date: Mar 3, 2023
Recall Date: Mar 3, 2023

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