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:
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or
could cause injury or death, you should immediately inform the National Highway
Traffic Safety Administration (NHTSA) in ad ...
Immobilizer
See Radio Frequency Statement for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310. ...
Safety
Six airbags, including front-seat side-impact and side curtain-type devices,
are standard. All-disc antilock brakes include brake assist. GM's StabiliTrak
electronic stability system is standard. ...