GM Service Manual Online
For 1990-2009 cars only

Without U3U

  1. To setup a new radio for the vehicle, complete the Module Setup procedure under the Special Functions menu of the scan tool.
  2. Cycle ignition with the retained accessory power (RAP) disabled, when complete

With U3U (Navigation Radio)

  1. Radio setup completed using the Service Programming System (SPS). Refer to Service Programming System (SPS) .
  2. Cycle ignition, with the retained accessory power (RAP) disabled, when complete.