Emergency
With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it.
Push 
to connect to an Emergency
Advisor. GPS technology is used to identify the vehicle location and can provide
critical information to emergency personnel. The Advisor is also trained to offer
critical assistance in emergency situations.
See also:
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 ...
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes
on briefly when the engine is started. It provides information about tire
pressures and the TPMS.
When the Light Is ...
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...