Circuit/System Verification
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, press the rear window defogger switch. Verify the rear window defogger turns ON and the rear window becomes warm.
- If the rear window defogger does not turn on, refer to Rear Window Defogger Malfunction .
- Press the rear window defogger switch. Verify both the left and right outside mirror glass become warm.