The electrical and gear shift failed, causing a problem that GMC calls -??shift to park.-?? Even when the car is placed in park, the car does not recognize that it was placed in park and cannot be turned off, preventing the driver from leaving the running car. This is a known problem that multiple dealers are aware of and there even appears to be a recall and lawsuits on the 2018 Acadias. However, on my 2019 Acadia, which has the same problem as the 2018 vehicle, this is a problem that costs hundreds of dollars to fix. This should be recalled because it renders the vehicle a safety hazard because it cannot be turned off and it is a known GMC problem that they refuse to fix.

- Prosper, TX, USA

My 2019 GMC Acadia started having the known "Shift to Park" issue that is affecting these make/models. This is a known issue and GMC has not issued a recall for it, nor are they covering any cost of repair. When the car is put into Park, the screen displays a message that says "Shift to Park". This results in being unable to turn the car off. The vehicle will not lock either when the message is displayed. On several occasions, the car would not start because of this issue. We took it to the dealer and they are fixing the issue for just over $500 USD.

- Ankeny, IA, USA

When I put my car in park and try to turn my vehicle off I get an error message saying -??shift to park.-?? The problem is the car is already in park and I am unable to turn the off. I usually have to start the car back and drive back and forth before the car actually recognizes it is in park. Im concerned for my safety.

- Elkhart, IN, USA

The vehicle-??s steering assist reduced, drive with care notification came on. The vehicle lost steering assist control and made it very difficult to steer. The slightest move causes a major shift in the intended direction. This is very dangerous.

- Tallahassee, FL, USA

Initial battery died completely when vehicle was 2 years old (17 months ago). This week got a steering assist drive with care message and everything pointed to codes signaling low voltage. Battery tested with a bad cell. GM will not cover the cost to replace a battery when not one but two have gone bad well before the middle of their earful lives. GM claims there is nothing electrical drawing from the battery causing both the go array. Bad customer service on GM-??s part. Logically this issue should be covered as it is not a typical maintenance replacement. It-??s something causing two batteries to go bad!

- Wilton, CT, USA

Gear shift notification problem. Unable to turn engine off after receiving "Shift to Park" message and the gear shift is visibly in the "Park" position. In addition, the doors would not lock. My wife was forced to stay in the unlocked running car in a store parking lot for 25 minutes, until the car just "turned off" on its own. Unsafe for a woman (or anyone) to have to do at 10:30pm. This puts drivers in a really vulnerable position. Vehicle taken to dealer Jan 30, 2023. Was told they were familiar with the problem.

- Alabaster, AL, USA

2019 GMC Acadia started producing error code of -??shift to park-?? around 32,000 miles. This malfunction is directly connected to a know a non manufacturer flaw in the shifting mechanism shifter switch an faulty grounding. The error code -??shift to park-?? will not allow you to properly shut off or start the car causing potential safety threats to individuals involved. This error code is a know issue with the shifting mechanism GMC has been putting in Acadia models for the last 5 plus years with no proper resolution to correct potential hazard for consumers. Recall Bulletins are in place for some 2009-2017 models currently, but only a temporary fix. Consumers are expected to pay for repairs for a manufacturer defective part that doesn-??t meet nhtsa requirements. I would like to add the 2019 models to this list. Vehicle was inspected by GMC dealership and master mechanic.

- Petoskey, MI, USA

Vehicles shift lever doesn't always go into "PARK" and when the 'stop' switch is pushed the instrument panel displays notice to "shift to park" even though the operator has already done so. The audio still plays after the vehicle door is opened. So I assume the vehicle is still using battery power.

- Peosta, IA, USA

While driving the all the the service lights came on on the dashboard and the system as well as the stabilitrak notification. The car begin to not want accelerate and I had to put on the hazard lights on a drive very slow home. Upon arrival home the car would not start but would not power off either and the a "Shift to Park" warning message is displayed.

- Warren, MI, USA

About five months ago, my GMC Acadia started displaying a warning when I would put the car in park, and try to turn it off. The engine would shut off, but the electrical portion of the car would stay on, and would not turn off, because the warning displaying said "SHIFT TO PARK". I have tried every conceivable way to try to get this to go off, but nothing works. My car has stay on for upwards of two and a half hours, to the point where my battery died in the car and left me stranded. There have been numerous accounts of this, as I had read them on forums, yet still no resolution has been published. I have tried taking it to be inspected, but nothing ever comes up. I have two very small children, and if I were to be in public and be stranded because my car wouldn't turn off.... I would be livid.. Also, because of this warning, it prevents the doors from being locked. That is another major concern for me, considering the day in age we're in.

- La Plata, MD, USA

Constant issue of doors not locking or unlocking with key fob. Doors do not lock when put in drive or unlock when put in park. Buttons on the door to lock/unlock do not work. Have had at the dealership 4 times and still the issue hasn't been fixed. They replaced BCM and Harness and the issue still comes and goes.

- Brewerton, NY, USA

The middle buttons in the infotainment system do not work - only the buttons around the edges (top, left, right, bottom) work.

- Baton Rouge, LA, USA

"Steering Assist reduced drive with care" displayed on screen when I was driving. The temp gauge stayed on C, the a/c did not work and engine fan came on full blast. After a couple days of this, it went back to normal. Coolant was checked and full at correct level.

- Dover , DE, USA

Intermittent shift to park message displays on the dash. Had to turn the automobile back on to start the engine then moved gear selector to drive then to park. At this point the message disappeared allowing me to turn off the automobile.

- Fairfield, CA, USA

2019 Acadia will be shifted into park and parking break applied. Vehicle will then be turned off. When opening the door a message appears on the dash stating "Place vehicle into Park". It takes multiple times of turning on the car, Shifting into another gear, then shifting back to park for the vehicle to realize it is in Park to allow vehicle to shut off. It has happened multiple times. We then received an email from on-star there is a diagnostic code SAC001 (Battery Service) needs to be addressed. This is unacceptable for a vehicle to be this new and have electrical issues.

- Conroe, TX, USA

I-??m not sure but a warning came on that said steering assist reduced drive with care and my temperature gage and AC weren-??t working all of a sudden when it happened

- Webster, TX, USA

Once vehicle is in park and ignition is shut off, a message will show to "shift in park" when it is in park. When this message appears, it takes several times to shift the car back and forth in order for it to register that it is in park. This occurs occasionally...sometimes more frequent than other times. It just did it today and it hadn't done it in a couple of weeks. The vehicle will not turn completely off or lock until you can get the stick to register it is in park. Sometimes it takes me a second to get the message to go away, other times it takes several mins. Really aggravating! These models are not cheap. This has occurred for well over a year now. I purchased the car November 2019.

- Beckley , WV, USA

After shifting the car into Park and pressing the start button to stop the engine, the message "Shift to Park" appears, and the engine does not shut off. This issue happens intermittently, but it has sometimes taken several minutes of shifting and re-shifting to get the car to turn off.

- Sewickley, PA, USA

Shift to park message appears post vehicle being in park! Vehicle has been inspected per Jeff Schmidt auto group (formerly Valentine Buick GMC, Inc! I was told shifter needs replaced as well as harness! Very disappointed do to the fact I brought this vehicle in 2019 off the showroom floor and 3 yrs later there-??s a problem with my shift gear with 36k miles on vehicle..

- Englewood , OH, USA

The Rear Hood was opened to get groceries. All of a sudden the hood came down on my back. I had to push the hood up manually, and tried to close with remote or with button on the hood but the Rear hood would not close. I then had to manually close the hood. On August 11, 2021 I took the car to the dealer and they replaced both Rear Hood Struts that wear leaking fluid. This SUV is only 2 years old with 16000 miles and should not be having these type of safety issues that can potentially be life threatening.

- Columbus, OH, USA