One problem related to horn assembly has been reported for the 2008 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Buick Lacrosse based on all problems reported for the 2008 Lacrosse.
Door locks will not operate with fob remote passenger rear door will not lock/ unlock at all , other doors may or may not lock/unlock when put in drive or park. Fob will sound horn flash lights.