My parking lights on my 2004 Chevy trailblazer will not turn off. Can you tell me possible reasons why?

If the headlights of your 2004 Chevy Trailblazer won't go off, then it' could be that the headlamp control module became defective. That part costs $150.
Answered by kgb agent Diana P on Sunday, April 29 2012 at 12:05PM EDT