Cruise Control Problems of GMC Acadia

The contact owns a 2018 GMC Acadia. The contact stated while driving at an undisclosed speed, the cruise control feature failed to function as intended. The contact stated that the vehicle exceeded the set speed. The contact deactivated the cruise control feature; however, the vehicle failed to decelerate. The contact depressed the brake pedal, however the vehicle failed to stop as intended. The contact had to repeatedly depress the brake pedal before the vehicle finally stopped. The vehicle was taken to an independent mechanic; however, the failure was not duplicated. The vehicle was not repaired or diagnosed by the independent mechanic or the dealer. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to take the vehicle to the dealer for diagnostic testing. The failure mileage was approximately 94,000.

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Instrument cluster malfunctions while driving. All gauges stop responding and automatic controls become disabled. All dashboard gauges become disabled and unresponsive and looses information. The dashboard light brightens to day mode. Automatic light system, cruise control, automatic lock system, blinker indicator, radio, dvd player, seat belt signal, driver door buttons, and holographic display become disabled. Information reads park assist off, service air bags, check gauges and all fault lights display. Issues occur while driving and relatively. The onset, frequency and duration of issues fluctuate at random.

See all problems of the 2012 GMC Acadia 🔎.

My 2017 had a shift to park issue. When parked and the car is in "park" the car will say "shift to park" which causes you not to be able to lock the car, or to make sure the car will not roll away. Took the car to the dealer and had all components replaced, however they information me that this will not fix the problem as the parts are made incorrectly, so unfortunately it will happen again at some point. My second issue with the Acadia is when you are in cruse control, the car will automatically apply the breaks (abruptly and hard) for no reason. GMC says that it could be when the sensors get dirty or overheat, however it makes you very uneasy knowing your breaks can mash on at anytime by themselves when you are using the cruise control system.

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While in motion on a city or freeway approximately 35-70 mph, my GMC Acadia will randomly disable the steering assist, lane keep assist, and forward collision automatic braking as well as disable the cruise control feature. The error would show that these features were disabled on the display screen around the speedometer and could not manually be re-enabled with the buttons throughout the car. However, when pulling over and turning off the vehicle and restarting it, the feature would reset as if nothing has went wrong. Sometimes it will revert back to the same issue(s) 5-10 minutes later, and sometimes not at all for a few days or even weeks before starting back over again with the same problems.

Engine will not shut down when key is removed and cruise control isn't working.

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The adaptive cruise control (acc) in my 2017 Acadia denali will shut off and even cause the vehicle to break for no reason. This has happened numerous times, even with no other vehicle on the road or obstacles in the road. When it happens the acc will shut off, you will hear two distinct chimes and you will see a message saying, �adaptive cruise control disengaged�. After this happens you will not be able to reengage the acc and if you try the vehicle will display a message that says �temporarily unavailable. � I have had it to the dealership numerous times and they have stated they don't know why it would happen, and cannot do anything unless they can duplicate it. It happens a lot but the dealership and GMC say there is no problem. The first time this happened it almost caused my wife to wreck, since the acc shut off and applied brakes with no other car on the road, badly startling her, and she thought she had hit something. I even have a video of the acc showing �temporarily unavailable� after one occasion it shut off and slowed the vehicle. In this instance there were no car in front of me or on either side, but there was one behind me who I am sure was not happy when the vehicle in front of him braked for no reason. A GMC representative told me I can have all the video I want, but it �doesn't matter and won't change anything�. The dealership did do a complete diagnostic on one occasion and found evidence that the acc had shut off, but the code did not say why it shut off. This has happened at different speeds range from 55 to 75 mph. We have had it happen three times in a 30 minute period and drove for a month without it happening. This causes an unsafe driving experience and should be fixed or the vehicle replaced. I have found other people online who have experienced this, but there are not enough of us to warrant GMC doing anything.

The brake lights will remain on at times even when the brakes are not being used. Also the traction control and electronic stability control will randomly turn off (frequently) and the dealerships are unable to tell me why and how to fix it. The cruise control at times will not work.

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Power and power steering failure- when it rains or I drive through puddles of water the car looses power and slows. Also when I am driving the power steering stops working and there is a loud squealing noise. I had the dealer look at my Acadia and they said they could readjust the belt guard. This did not work and they said just be cautious while driving. Also the cruise control doesn't coast and the speed increases as you go down hill.

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The contact owns a 2008 GMC Acadia. The contact stated that she utilized the cruise control at 50 mph. The following day, the vehicle abnormally accelerated from 40 mph to 50 mph without warning. The cruise control function was not being utilized at the time of the failure. The vehicle was taken to the dealer for diagnosis and a test drive, but the failure could not be duplicated. The cause of the failure was unknown and the vehicle was not repaired. The manufacturer was not notified of the issue. The failure mileage was 60,000. The VIN was unavailable.