See also:

Engine Heater
The engine heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the heater at least ...

Storing Name Tags
The system can store up to thirty phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers ...

Call Waiting
Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier. ► Press to answer an incoming call when another call is active. The original call is place ...