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:
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can
connect to a live Advisor for Emergency, Security, Navigation, Connection, and
Diagnostic Services.
The OnStar system ...
Door Locks
To lock or unlock the doors from the outside, press or on the Remote
Keyless Entry (RKE) transmitter.
To unlock a door from the inside, pull once on the door handle to unlock it,
and a second tim ...
Rear Climate Control System (Rear Climate with Rear Seat Audio)
For vehicles with the rear heat and air conditioning controls, they are integrated
with the rear seat audio controls located in the center console. The system can
be controlled from the front cont ...