Keyless Entry Personalization
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
The exterior lamps and horn chirp may be personalized for 2 separate drivers as part of remote activation verification. For mode descriptions and programming instructions, refer to DRIVER PERSONALIZATION in Personalization.