Diagnostic Aids

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.