After 2 years of ownership of a new gmc acadia my SUV would not shut off once I parked my car. It would not be able to detect that I shifted into park after arriving at my destination. All the electronics would continue to run. I would have have to stay in the car and play with the shifter until the computer finally read that it was in park. After taking the car to the dealership the SUV was fixed with an new part that seems to have resolved the problem for now but as far as I am aware gmc is still doesn't know why the problem is being caused so I am waiting to see if it happens again. After getting it fixed now my vehicle gives me another warning every time my "auto engine off" is activated at when I come to a stop. Now I continuously get "stebilititrc" warning every time I stop. They fixed one problem and now I have another. It is my family car so I just want to make sure it is safe but gmc doesn't seem to know whats wrong or how to fix it even though they are aware of many acadias having the same problem.
2017 GMC Acadia driver assistance complaints
Page 3 of 3: complaints 41 to 46 of 46, newest first, as owners wrote them.
Keeps telling me to put vehicle in park when it's already in park. Also not consistent about telling you to check back seat. Sometimes it does and sometimes it doesn't. It's turned on.
Vehicle had multiple (more than 2) warning lights flashing on and off, while RPM and MPH needle would fluctuate simultaneously. This would happen while in the driveway and also while in motion. Vehicle would not accelerate with accelerator pedal fully pressed, especially on an incline. While this was occurring I had to exit the highway and turn around in an adjacent subdivision. I could not get out of the way of a car in the neighborhood because I was trying to go forward on the street due to a slight incline. It would also jerk into gear when moving from reverse and drive. Had this happened in a traffic intersection, it would have been deadly. This car is unsafe. After 6 months of being 'fixed' it has started happening again. The dealership has had the vehicle for a week this time without being able to fix it. The last time it was at the dealership for around 10 days.
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.
I have requested at least 4 times for repair of my car 2017 acadia. Several caution light on the dashboard comes on including the engine sensor(malfunction indicator lamp). While driving the car it looses power to accelerate. When pressing the gas pedal the car stalls. This issue has happened on both the highway and city. There have also been times when turning into a parking lot I have felt some vibration. Additionally, the car dashboard gives out commands for putting the car in park after it is stationary.
Adaptive-cruise-control (acc)/forward collision braking(avoidance) system applied very strong brakes(twice) in certain scenario when using acc, increasing the chances of vehicle behind rear-ending. While acc is enabled, say your vehicle comes to fullstop as vehicle in front has come to a full stop(say at traffic signal) and acc applies full brakes. Traffic ahead starts moving again, but since vehicle won't move on its own driver is required to press accelerator to get it moving again or acc to resume its operation (this is by design). In such scenario if driver ends up pushing accelerator a bit harder(I.e. More than just tapping it), acc applies very strong brakes stopping vehicle right there. By this time vehicle behind you has started moving already and might rear-end due to abrupt stop. I guess acc thinks distance between you and vehicle ahead is very less and thinks its going to collide and hence applies strong brakes. But this is a bad design/programming since it expects driver to push acc. Pedal for acc to resume operations, but if driver does it bit more than what acc likes, there is a chance of accident. Gm should perform more tests with its acc around such scenarios and fine-tune their acc software.
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