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
disconnect the current
call and switch to the call on hold.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Services for People with
Disabilities
Advisors provide services to help
subscribers with physical disabilities
and medical conditions.
Push for help with:
• Locating a gas station with an
attendant to pump gas.
• Finding a h ...
Audio System
When using the in-vehicle Bluetooth system, sound
comes through the vehicle’s front audio system speakers
and overrides the audio system. Use the audio system
volume knob, during a call, to ch ...