For 1990-2009 cars

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Object Detection Description and Operation .

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could 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 could cause the symptom.

• | Make sure the rear parking assist sensors located on the vehicle rear bumper are clear. Remove any snow, mud or ice that is blocking the sensors.

### Intermittent Conditions

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Rear Parking Assist Malfunction

• | Rear Parking Assist Inoperative - Red Indicator Flashes