sometime the auto headlights work and then they will not come on and we have to use the high beams at night.
Intermittent problem with auto headlights on my Buick Lacrosse 2006 on 2006 Buick LaCrosse
The relay is bad. Replace at fuse box. Happened to me last month
Recall#> 14V755000>>Headlights & Daytime Running Lights>>
Same happened to me. There is a re-call now.