Installation Procedure

Fig 1: Installing VCU To Bracket Using Clip-On Strap

Courtesy of GENERAL MOTORS CORP.

1. Record the 11-digit ESN from the label on the new VCU module.
2. Install the VCU to the bracket using the clip-on strap (1).
3. Connect the electrical connectors.
   Fig 2: Installing VCU To Bracket

   Courtesy of GENERAL MOTORS CORP.
4. Connect the cell antenna coaxial cable (1) to the VCU (2).
   Fig 3: Connecting Cell Antenna Coaxial Cable To VCU

   Courtesy of GENERAL MOTORS CORP.
5. Slide and secure the VCU bracket (1) to the metal brace on the instrument panel.
   Fig 4: Installing Windshield Garnish Molding

   Courtesy of GENERAL MOTORS CORP.
6. Install the upper trim pad. Refer to TRIM PAD REPLACEMENT - IP UPPER .
7. Install the windshield garnish molding. Refer to GARNISH MOLDING REPLACEMENT - WINDSHIELD PILL .
8. Press and hold the"end call"button, which is a black button with a white dot.

   The OnStar® status light will change from green to red to green.

9. Contact the OnStar® Dealer support line by pressing the blue OnStar® button twice.

The 11-digit ESN number will be needed by the OnStar® advisor.