OnStar Description and Operation: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
This OnStar® system consists of the following components:
- Communication Interface Module (CIM)
- OnStar® button assembly
- Microphone
- Cellular antenna
- Navigation antenna
- Back Up Battery (BUB) (If Equipped)
This system also interfaces with the factory installed vehicle audio system.