Buick Lacrosse owners have reported 86 vehicle speed control related problems since 1996. Table 1 shows the 9 most common vehicle speed control problems. The number one most common problem is related to the vehicle's vehicle speed control (65 problems). The second most common problem is related to the vehicle's cruise control (9 problems). For details of each of the problem category, use the links in the table.
My 2017 Buick Lacrosse premium awd experienced a sudden, dangerous mechanical failure of the accelerator pedal position sensor system while operating the vehicle under normal road conditions. The vehicle suffered an immediate loss of engine continuity and engine power, forcing the car into a Read details...
I have an issue with the cruise control on my 2017 Buick Lacrosse, a vehicle with 17,004 miles. While traveling on the interstate with the cruise set to 70 mph the system reset itself to 105 mph and the engine revved 3000 rpm accelerating out of control. Read details...
This is to amend complaint number 11051891. Cause of unintended acceleration was aftermarket floor mat installed by the Buick dealer! floor mat has diagonal grooves molded into the rubber in exactly the worst spot such that the corner of accelerator pedal catches in the groove and holds the Read details...
The contact owns a 2018 Buick Lacrosse. The contact stated the hand controls were not working properly. While driving, the accelerator pedal was depressed, but the vehicle failed to respond. The engine power reduced message was displayed, and the check engine warning light was illuminated. Read details...
Tl- the contact owns a 2014 Buick Lacrosse. The contact stated that while approaching a stop sign at 20mph and when the accelerator pedal was release the contact attempted to engage the brake pedal, the vehicle independently accelerated to approximately 45mph without warning. Read details...