Vehicle says shift to park and won't turn off, even though it is already in park.

- Brimfield, MA, USA

My car will give me an alert when I put it in park that say's " shift to park" even though I have put it in park. Then the car will not shut off. I will try shifting it over and over to try to get it to engage so I can shut it off.

- Corpus Christi, TX, USA

Shift to park not recognized when vehicle stationary in park. Vehicle will not turn off or lock during this time.

- Gallatin, TN, USA

'shift into park' message in information center when vehicle is shifted in to park from drive. The vehicle can not be turned off.

- Royersford, PA, USA

When you tried to turn off the car it says shift to park even though the car is already in park and it shows on the dashboard it's in park and so you cannot turn off the car and the car can roll at the time. You have to start the car on and off and then the horn goes off because the keys are in the car and you have to monkey around with the shift lever moving it back-and-forth pushing the button before it actually car shuts off and it goes into park. This is the GMC issue with their transmission or their computer no customer should have to pay for this fix. This should be especially paid for by GMC when somebody is leasing the vehicle.

- Dilworth, MN, USA

Shift to park message appears.. it was fixed by GMC warranty repair over a year ago and now same problem is happening again... we have to wiggle the shiftetsnd push with force to put shifter in park position..

- Santa Clarita, CA, USA

Shift to park not recognized when vehicle stationary in park. Vehicle will not turn off or lock during this time.

- Charlotte, NC, USA

My vehicle is starting to not recognize the shifter being in park, therefore will not shut down. The shifter is moved to park but the car does not recognize it and will not shut off. Is happening more and more often now. I have to wiggle it around several times, and sometimes take it back out for another short drive before it finally recognizes that the car is in park when I want to get out.

- Edmond, OK, USA

When shifting to park and shutting the vehicle off message displays shift to park. I have had the shifter cable replaced and 3 months later it is doing it again. Obviously there is another issue but GM cannot figure the issue out.

- Hannibal, MO, USA

Won't shift to park

- Pocatello, ID, USA

When my vehicle was in park & I was going to turn it off it gave me this message action to park when in park. This has happened several times. I have taken it to the dealership & nothing can be done.

- Midland, TX, USA

When I put the vehicle in park and turn off the engine, I get an alert "action required shift to park" and the vehicle is already in park. This started when I had approximately 35,900 miles on the vehicle but by the time I got an appointment with the dealer, I was over 36,000 miles so they say it's not covered under bumper to bumper warranty anymore. I googled the problem and there are numerous complaints about the same thing, but GMC still hasn't initiated any kind of recall when there is a problem that I'm sure they know about.

- Stanford, KY, USA

Action required shift to park when vehicle is in park with engine off.

- Stanford, KY, USA

Shifter assembly problem. When turning car off, yellow light goes on and car remains on after shifting to park.

- Williamsville, NY, USA

The 2017 GMC Acadia needs to be recalled for the faulty transmission control assembly and the "shift to park" message. For reference this is technical service bulletin "tsb 18-na-297". somebody will exit their vehicle thinking that they are in park, the message comes up and they ignore it and get ran over. This is a safety issue as well as a quality issue.

- Weatherford, TX, USA

When car is put into park a 'action required' comes up saying 'shift into gesr' which the vehicle is already in park. Therefore, will not shut off causing the battery to drain and die.

- Allenstown, NH, USA

I was driving and the blind siad indicators quit working. I had a car in the blind spot. The modules on both sides needed to be replaced 751.00

- Apple Valley, MN, USA

Attempted to use the horn for the first time and discovered it didnt work. When I returned home, I tried again and noticed I had to use and excessive amount of force to.get it to work. Took the vehicle to the dealer to have them look at other issues and they said the horn worked, just like similar vehicles on the lot. I expressed the safety concerns I had, especially if my wife would have needed to use the horn in an emergency, buth they said there was nothing they could do. Vehicle's manufacture warrant is set to expire in less then 4000 miles.

- Bakersfield, CA, USA

Was making a left hand turn around a center median, when the accident avoidance system began flashing in the heads up display, the seat vibrated and the vehicle came to.an abrupt stop in the middle of the street. There were no nearby vehicles or pedestrians. The vehicle's brakes were locked up and would not release until I turned the car off and restarted it. This has occurred in the drive thru lane on numerous occasions. Took the vehicle to the local GMC dealer. Stated there was nothing they could find wrong. Vehicle only has 32,000 miles and the manufacturers warranty is set to expire at 36,000 miles.

- Bakersfield, CA, USA

As I was merging onto a traffic circle at roughly 25 mph, the forward collision detection system turned itself on when there was nothing in front of me, causing my car to stop very suddenly and almost causing a very bad accident. The vehicle wouldn't turn the system off until I turned it off the entire vehicle then turned it back on, causing well over 45 seconds to a minute of traffic. I turned off all anti collisions systems and drove the car back to my home immediately after.

- Watchung, NJ, USA