GM Service Manual Online
For 1990-2009 cars only

Each of the following service procedures require programming or setup procedures to be performed on the radio.

Navigation Radio Replacement

Note: Before removing a Navigation Radio for replacement, the Radio must be put into "Ship Mode" to secure the CD Changer for shipment to the Electronic Service Center (ESC).

Note: The Ignition Switch must stay in the Accessory mode during Radio removal to ensure the navigation screen remains in the fully tilted down position.

To prepare the Radio for shipment, perform the following:

  1. Press the screen tilt down button three times so the screen is tilted in all the way.
  2. Connect the Tech 2 with the latest software version.
  3. Place the ignition switch in the accessory
  4. Use the Tech 2 to put the Radio into Ship Mode:
  5. • Build the vehicle
    • F7: Body and Accessories - Entertainment
    • F2: Special Functions
    • F1: Navigation Radio
    • F0: Ship Mode - Select Ship Mode On
  6. With the ignition switch still in Accessory mode, Remove the Radio.
  7. Once the Radio is removed, turn the ignition OFF.
  8. Ship the Radio to the Electronic Service Center (ESC) for repair or exchange
  9. After installing the replacement radio, clear any DTCs that may have been flagged during the removal of the Radio.

Radio Programming and Setup

Without Navigation Radio

Using the Tech 2, perform the VIN relearn procedure. After programming the VIN cycle the ignition key with the retained accessory power (RAP) disabled.

Navigation Radio

Using the Tech 2, perform the Audio Update Initialize procedure. After programming the VIN cycle the ignition key with the retained accessory power (RAP) disabled.