Fan blower

Asked by Sep 22, 2016 at 10:15 AM about the 2012 Chevrolet Impala LS Fleet

Question type: Maintenance & Repair

I have a 2012 Chevy Impala, I've recently noticed
my HVAC blower will only run on speed setting 1
when the headlights are on, as soon as I switch the
headlights off, all fan speeds can be used, what
can this problem be?

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