Circuit/System Verification
WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 indicator illuminates.
- If the rear window defogger indicator does not illuminate, refer to Rear Window Defogger Malfunction .
- Press the rear window defogger switch. Verify both the left and right outside mirror glass become warm.
- If all circuits test normal, test or replace the inoperative outside rearview mirror.