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 on hold.
• Press again to return to
the original call.
• To ignore the incoming call, no action is required.
• Press 
to disconnect the
current call and switch to the call
on hold.
See also:
Compass Variance (Zone) Procedure
1. Do not set the compass zone when the vehicle is
moving. Only set it when the vehicle is in P (Park).
Press the vehicle information button until PRESS
TO CHANGE COMPASS ZONE displays.
2. Fi ...
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:
► ...
Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in the center console.
External devices such as iPods®, laptop computers, MP3 players, CD changers, and USB storage device ...