2011 Buick Lacrosse driver assistance problems

Filed Sep 7, 2025 · Brakes, Driver assistance · KY

When going around town or on the highway the steering wheel will start shaking badly and when going to break even after the breaks have been changed the parking break will not stay on and the steering wheel will start shaking horribly to the point where your might crash your car I have had the car looked at multiple times by different manufacturers dealerships and auto shops and they all say to Change the breaks I tell them that I had them changed by Buick and Chevrolet of Dan Cummins where I had got the car and they done the same thing over again as when I bought the car

Filed Apr 21, 2021 · Driver assistance, Steering · 70,060 miles · CO

Stabilitrack service light came on

Filed Jun 1, 2020 · Driver assistance, Electrical · 120,000 miles · OK

Federal motor vehicle safety standard no. 103 windshield defrosting and defogging system and I don't know if its effecting my A/C to I have taken it everywhere to get fix and no one fixes it completely stills blow cool not cold like it is supposed to.

Filed Feb 17, 2020 · Driver assistance · DE

Loss of electrical power while driving. I have a 2011 buick lacrosse which has had multiple problems since I purchased. I have spent thousands trying to get fixed from the dealership to other certified auto technicians and I continue to have issues. Fri, 2/14/2020 I almost loss my life. My car dashboard started going black as I drove up to ramp onto the interstate it completely loss power and veered off the road into the grass. I was seconds away from the interstate!

Filed Jul 25, 2019 · Driver assistance · 53,000 miles · CA

July 23, 2019 -I was on the hwy for approx. Four hours with my niece when suddenly my car created a loud sound and I lost power and control of my car including my brakes. I was traveling at 70 mile per hour. Luckily, two cars had just passed me when this occurred otherwise I could have had a very serious accident. I was on the left lane and was able to coast to the shoulder. The hwy. Was flat and I was able to coast to a stop. The engine wouldn't start, but after approx. Five minutes it started but I wasn't able to move. The car idled extremely rough. The electronic stability control (ESC) light and the check engine lights were on. I waited for a tow truck in 96 degree weather for two hours before I was able to get a tow to a garage 40 miles away. This happend on tuesday. I left my car at the buick dealer and left the key in the drop box. I was told wednesday morning that they wouldn't be able to look at it until today (thursday), so I have no idea as yet what damage has occurred to the engine. I have only 53,000 miles on the vehicle and it is a 2011 model. How could something like this happen?

Filed Feb 20, 2019 · Acceleration, Driver assistance · 91,431 miles · MN

Driving 60 MPH on the highway. Suddenly the information panel flashed stabilitrak service required (or similar) then low power mode. Car went from 60 to 30 MPH on the highway. Unable to speed up. Needed to pull over to the side of the road. Turned car off. Tried to restart and it wouldn't restart for several tries. Restarted and still said low power and was idling low. Tried again and was normal. This has happened several more times and always is similar. Sometimes it doesn't happen at all in a 30 mile trip, sometimes it happens 3 times. Very dangerous! Could be rear ended! I have read many other accounts of this happening in the 2011 buick lacrosse. After this the check engine light stayed on. When I had the auto parts store run diagnostics it flagged multiple misfires, throttle position sensor 3 times, power control module indicator, traction control. It seems this is a flaw in this car. I attempted to get a picture of the satbilitrak sensor indicator light, but it flashes on and off pretty quickly and you never know when it will happen.

Filed Jan 6, 2018 · Driver assistance, Engine · 112,000 miles · MA

Loss of engine power while driving on highway at 75 MPH, dropped suddenly to 30 MPH. Had to pull onto shoulder from passing lane, almost rear ended by tractor trailer due to sudden power loss, could not accelerate. Stabilitrak light turned on stating engine power reduced. Turned car off and restarted, went away. Came back on again 3 x's while driving back home on highway, had to continuously pull over and restart engine to clear.

Filed Jan 6, 2018 · Driver assistance, Engine · 112 miles · MA

Loss of engine power while driving on highway, sudden warning stabilitrak needs service, engine power reduced. Speed dropped to 30 MPH on highway from 70mph traffic flow. Could not accelerate at all to keep up w/traffic, had to pull onto shoulder to avoid getting rear ended. Could not accelerate enough speed to merge back onto highway light turned off. Dangerous!!!

Filed Jan 4, 2017 · Acceleration, Brakes · 105,000 miles · KS

Tl* the contact owns a 2011 buick lacrosse. While driving 45 MPH, the brake pedal was depressed. The vehicle skidded and the contact lost control of the vehicle the stabilitrac and ABS warning indicators remained illuminated. The contact stated that the reduced power warning indicator also illuminated. It was diagnosed that there was a defective sensor in the rear driver side wheel hub that needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 105,000. The VIN was not available. Updated 05/04/17*lj the consumer stated the vehicle has been repaired. The consumer feels the vehicle should be included in a recall. Updated 07/25/2017

Filed Oct 30, 2015 · Driver assistance, Electrical · 38,000 miles · CA

Tl* the contact owns a 2011 buick lacrosse. The contact stated that the anti-skid device activated independently causing the vehicle to brake without warning. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 38,000. The VIN was not available.