Radio Replacement
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
If the radio is replaced, the following procedure must be performed:
W/O UM8-Reprogram the radio. Refer to Service Programming System (SPS) .
W/ UM8-Perform the radio setup only if a theftlock condition exists. Refer to Radio Setup (With RPO UM8) .