One problem related to battery dead has been reported for the 2007 Buick Lacrosse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Buick Lacrosse based on all problems reported for the 2007 Lacrosse.
Headlights went out while driving - known issue and recall with gm. Car would not start, though battery was dead. Went to jump car and found out fuse box and wiring harness was melted like it caught fire. Numerous sites are showing complaints about this same issue, melting, and electrical issues. Car was parked the night before and was not started or moved prior to this issue being found.