Audio Settings
The audio settings can be set for each radio band and each audio player source.
To quickly reset an audio setting value to 0:
1. Press the TONE button.
2. Select the audio setting.
3. Press and hold the SELECT button until the value changes to 0.
Press the 
BACK button to go
back to the Tone Settings menu.
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
(NH ...
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
(Rear): Press this button
to turn the rear
window defogger on or off.
An indicator light in the button will co ...
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. ...