Only when it is set to the windshield defrost/defog setting, the blower will make a strange buzzing sound intermittently. Very soft noise. When I switch it to another setting, such as to blow out the front vents only for example, the noise quits. GM sucks.
Only when it is set to the windshield defrost/defog setting, the blower will make a strange buzzing sound intermittently. Very soft noise. When I switch it to another setting, such as to blow out the front vents only for example, the noise quits. GM sucks.
- Aaron D., Clinton, WI, US