Diagnostic Aids
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for any debris or water in the horn assembly.
- Test the horn mounting hardware for proper torque. Refer to Fastener Tightening Specifications .
- Inspect for debris in the joint where the horns attach to the vehicle.