OnStar Description and Operation: Notes
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.
This vehicle uses the Generation 5 version of the OnStar® system. This system consists of the following components:
- Vehicle Communication Interface Module (VCIM)
- OnStar® button assembly
- Microphone
- Cellular antenna
- Navigation antenna
This system also interfaces with the factory installed vehicle audio system.