See also:

Storing Name Tags
The system can store up to 30 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: ► ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...

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