There are 4 owner-reported speed control & cruise complaints for the 2005 Buick LaCrossein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I WAS DRIVING ON THE HIGHWAY GOING 50MPH AND THE CAR STALLED AND WENT DOWN TO 20MPH AND IT SHUT OFF. I WAS ABLE TO GET IT STARTED AGAIN AND WAS ONLY ABLE TO GO 20MPH ALL THE WAY HOME. MY CAR INSURANCE APP HAS ENGINE ALERTS AND IT STATED IT IS THE THROTTLE/PEDAL POSITION SENSOR/SWITCH 'D'/'E' VOLTAGE CORRELATION. THE THE ALERT STATED IT WAS URGENT BECAUSE IT DECREASES THE ENGINE PERFORMANCE AND THE ENGINE MAY ENTER LIMP HOME MODE. I WAS VERY LUCKY NO CARS WHERE BEHIND ME WHEN THIS HAPPENED.
TL* - THE CONTACT OWNS A 2005 BUICK LACROSSE CXL. THE CONTACT STATED THAT THEY WERE ENTERING A HOSPITAL PARKING GARAGE, PUT A TICKET INTO MACHINE TO OPEN THE GATE AND THE VEHICLE LURCHED BACKWARDS, AND HIT THE CAR BEHIND THEM. THEN , THE VEHICLE LURCHED FORWARD AND HIT THE GATE THAT WENT UP AND DOWN IN A PARKING GARAGE. THE CONTACT STATED THAT THE DOOR AND FENDER HAD TO BE REPLACED. THE SECURITY GUARD ON THE SCENE MADE A REPORT. THE CONTACT STATED THAT SHE WOULD ATTEMPT TO GET A COPY. THE CURRENT AND FAILURE MILEAGE WERE 7,000.*AK
WHEN ENGAGING THE CRUISE CONTROL AT 55 - 60 MPH, SUDDENLY THE CRUISE CONTROL DISENGAGED WITHOUT APPLYING THE BRAKES.*AK THE CRUISE CONTROL SHUTS DOWN AFTER 60 SECONDS. *TC
WHEN ENGAGING THE CRUISE CONTROL AT 55 - 60 MPH, SUDDENLY THE CRUISE CONTROL DISENGAGED WITHOUT APPLYING THE BRAKES. *JB *NM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026