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 Inoperative - Red Indicator Flashes Diagnosis (Steps 1-7)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Rear Parking Assist Inoperative - Red Indicator Flashes Diagnosis (Steps 8-12)
Courtesy of GENERAL MOTORS CORP.

Fig 3: Rear Parking Assist Inoperative - Red Indicator Flashes Diagnosis (Steps 13-22)
Courtesy of GENERAL MOTORS CORP.