Diagnostic Aids

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Before performing this procedure, ensure that the following conditions are met:

The vehicle park brake is SET.
The rear parking assist (RPA) disable switch is ON.

Fig 1: Rear Parking Assist Malfunction Diagnosis (Steps 1-7)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Rear Parking Assist Malfunction Diagnosis (Steps 8-17)
Courtesy of GENERAL MOTORS CORP.

Fig 3: Rear Parking Assist Malfunction Diagnosis (Steps 18-26)
Courtesy of GENERAL MOTORS CORP.