Explore Your 2009 Buick LaCrosse

A guide to problems, costs, maintenance and repair for the 2009 Buick LaCrosse

2009 Buick LaCrosse Problems

Door lock mechanisms not operating properly. Doors may not lock/unlock.

Replacement of faulty door lock actuator required for proper operation.


A Loose or worn gas cap may cause Check Engine Light to illuminate.

The high pressure power steering hose will commonly leak fluid; it should be replaced.

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2009 Buick LaCrosse Questions

The ECM in my car is setting multiple error codes (5) at the same time (I took the car to a repair shop and they tested it while driving the car). The repair shop indicated that this didn't seem correct and thought that the ECM itself was the problem. My check engine light started coming on...

including check engine light, red battery light, clock light, Used car yesterday, but wouldn't start today

Door on drivers side, will not unlock

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2009 Buick LaCrosse Reviews

2009 LaCrose CXL, car rides like a dream - but the power lock on passenger front and rear door doesn't work half the time. Check engine light and traction control light comes on at least once a week. The problem as near as I can tell is the accelerator pedal sensors. As I understand it there are two sensors that must be 100 percent in unison while reading how much the pedal is depressed. Wh...

My last 3 Cars have been Buick's. The LaCrosse is the Best.

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