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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular Communication System >> Diagnostic Information and Procedures >> OnStar Reprogramming >> Vehicle Interface Unit (VIU)

Vehicle Interface Unit (VIU)

  1. Record the STID number from the label on the new module (10 Digits).
  2. Install the new VIU.
  3. After replacement, press and hold the OnStar "End Call" button (black with white dot); watch for the OnStar® status light to change from Green to Red to Green.
  4. Move the vehicle outside and let it run for ten minutes.
  5. Press the blue OnStar® button twice to connect to OnStar®. Tell the advisor that this vehicle has a new VIU and a new STID number to put in the customers account and that the vehicle requires a "Reconfiguration".
  6. The OnStar® Advisor will reconfigure the vehicle with you. Once the advisor completes configuration, you can end the call. Follow any additional instructions given by the Advisor.
  7. The old VIU must be returned for core credit with the address label included in the original box. Failure to return core will result in a debit.