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:
Starting the Engine Using Remote Start
To start the engine using the remote
start feature:
1. Aim the transmitter at the vehicle
and press and release on the
transmitter.
2. Press and hold for at least
four seconds or until the ...
XM Tune Select (If Equipped)
While the XM audio screen is displaying and a song is being listened to, press
Tune Select to save that particular song.
The XM Tune Select menu displays with options to store by the song title ...
Connections
OnStar Hands-Free Calling allows calls to be made and received from the
vehicle. The vehicle can also be controlled from a cell phone through the
OnStar mobile app. See www.onstar.com for coverage m ...