October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Visual/Physical Inspection

Inspect for aftermarket devices which could affect the operation of the steering wheel controls. Refer to Checking Aftermarket Accessories .
Inspect the easily accessible or visible system components, for obvious damage or conditions, which could cause the symptom.