Car keeps jolting forward on it-€™s. This almost caused me to slam into the back of someone-€™s car on the highway in bumper to bumper traffic. While trying to slow down the car forcefully slams forward. Other times I have been trying to accelerate from a stop and the car slams forward. When this happens everyone is thrown forward this started happening after repair at Jack Gimbalvo Buick body shop in York. Jack Giambalvo Buick dealership said they can-€™t duplicate the problem and there are no misfires. I will be calling corporate to make another complaint. I have already been in an accident in this car due to the brakes not working correctly and the whole dash malfunctioning.

- York , PA, USA

The first time (Dec 27, 2019) my family was driving on regular roads when it suddenly said engine overheating. We pulled over & looked at the engine and could see coolant fluid squirting out of the coolant pipe-there were tiny holes in the metal pipe allowing this leakage of fluid. We were away from home and had to wait several days for a replacement part to be ordered & repairs to be done. ( it cost us thousands between the work, oem Buick parts, and extra hotel days since we were on vacation away from home.) they replaced the coolant pipe. Now again (April 23, 2021), after driving about 2 miles on a regular road, approaching the entrance to a highway, the car suddenly said engine overheating! I stopped and turned the car off. I waited about 25 minutes till it cooled. Then I started to drive again, very slowly & with no air conditioner running. Within about 3 minutes, the temp was going up so I pulled over and waited again. This happened one more time as I made it home. Now I can't even drive it without it quickly showing the engine overheating. A professional mechanic replaced the thermostat & new dexcool (orange) coolant but it's still overheating. I have been very careful with maintaining my car, replacing and changing fluids in accordance with specs. My car is essentially paralyzed & I'm afraid to drive it anywhere! certainly not what I expected from a luxury vehicle such as this poor quality!! please note, I have to find my poetical receipts but providing the most recent receipt. Original issue mileage was about 58,000

- Plantation, FL, USA

Twice in the last month, I have been driving in motion less than 5 mph, and the car accelerated by itself. I had to slam on the brakes to stop it. The tires screeched. Very scary as it accelerated fast, lurching forward. Both times in a cat lot.

- Fort Myers, FL, USA

When driving the vehicle and increasing speed, the transmission does not want to shift. The RPM's will literally redline, if I do not lift my foot off of the gas quickly, and replace it back on the gas - this reminds me of a manual shift, but this is not a manual transmission. The hesitation in shifting gears has gotten so extreme that I will start to smell a burning smell if I do not manually shift the transmission via the gas pedal. The car only has 33,000 miles, so I'm sure that this is not just the result of an older transmission. This happens nearly everytime I accelerate my vehicle.

- Middleburg, FL, USA

The vehicle shakes on exceleration it is worse turning left or right but also does the shaking going straight, the dealer called GM engineering and so far they have done nothing it has been a month now and I am not the only one that has this problem this car is an all wheel drive Envision premium 2

- Mt Vernon, KY, USA