OnStar Description and Operation: Notes

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. 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
Bluetooth ® antenna (If Equipped)
Back Up Battery (BUB) (If Equipped)

This system also interfaces with the factory installed vehicle audio system.