Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the rear window into the opening. Refer to Adhesive Installation of Stationary Windows .
  2. Fig 1: Locating Rear Window Defogger Electrical Connector
    GM401856Courtesy of GENERAL MOTORS CORP.
  3. Connect the rear window defogger electrical connectors.
  4. Fig 2: View Of Rear Window Radio Antenna Connector
    GM181953Courtesy of GENERAL MOTORS CORP.
  5. Install the rear window radio antenna connector.
  6. Connect the OnStar® antenna, if equipped.

    Check the radio and OnStar® system to verify reception.

  7. Close the rear compartment lid.
  8. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.