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:
Safety Belts
Refer to the following sections for important information on how to use safety
belts properly:
Safety Belts .
How to Wear Safety Belts Properly .
Lap-Shoulder Belt .
Lower Anchors and Te ...
Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE
This message displays when the vehicle has detected that the battery voltage
is dropping beyond a reasonable point. The battery saver system starts reducing
certain features ...
Place a Call Using a Stored
Number
1. Push . System responds:
“OnStar ready.”.
2. Say “Call <name tag>.” System
responds: “OK, calling
<name tag>.” ...