One problem related to check engine light on has been reported for the 2012 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Buick Lacrosse based on all problems reported for the 2012 Lacrosse.
While going around curves the engine lost power several time. Check engine light came on, power steering failed, power brakes failed and engine restarted on its own after a few seconds.