One problem related to trunk wiring has been reported for the 2005 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Buick Lacrosse based on all problems reported for the 2005 Lacrosse.
: the contact stated while driving 10 mph toward an intersection on normal road conditions, the vehicle started shaking when brakes were applied. No warning light were illuminated. The vehicle was taken to the dealership who determined the rotors must be machined. After a visual inspection the contact noticed that all four tires were of a different brand; the dealership informed there was no concern about the different tire brands. Also, the vehicle had an oil leak. The dealership determined the leak was from the oil filter and corrected it. After a few miles driven, the vehicle presented problems with the fuel pump and the dealership had to replace it. Also, an exterior lighting problem was noticed which was detected due to wiring corrosion located in the trunk. After the repairs, the engine warning light illuminated; the dealership corrected the defect but after few miles, the warning light illuminated again. The manufacturer was contacted who provided the NHTSA phone number when asked for a resolution.