Visual/Physical Inspection

WARNING: This page is about a different car, the 2014 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for aftermarket devices which may affect the operation of the system. Refer to Checking Aftermarket Accessories .
Inspect the easily accessible or visible system components for obvious damage or conditions which may cause the symptom.
This system uses a camera and needs to be clean in order to function properly. Make sure to check the rear vision camera lens for obstructions: