GM Service Manual Online
For 1990-2009 cars only

With U1C (Base Radio)

  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

Without U1C

  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.