See also:

Using the Universal Remote System
Press and hold the appropriate Universal Remote system button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...

Locking Feedback
This allows selection of what type of feedback is given when locking the vehicle with the RKE transmitter. Press SELECT when Locking Feedback is highlighted. Turn the Menu knob to select Ligh ...

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...