Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install the ground plate to the roof making sure the locking tabs slides into the holes in the roof.
Install a new rivet (2) to retain the ground plate in place.
Install the headliner.
Install the navigation antenna to the ground plate.
Inspect the operation of the Onstar® system.