OnStar Description and Operation: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
This vehicle uses either the Generation 5 or Generation 6 version of the OnStar® system. These systems consist 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.