See also:

Setting the Clock (Radio with CD and Touchscreen)
The clock is in the center stack display. To set the time: 1. Press the CONFIG button to enter the menu options or press . Turn the TUNE/MENU knob to scroll through the available setup features. ...

Side Blind Zone Alert System
If equipped, this feature allows the Side Blind Zone Alert System feature to be turned on or off. Press SELECT when Side Blind Zone Alert System is highlighted. Turn the Menu knob to select On ...

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. ...