Auto Defog
This will allow you to turn the auto defog on or off. Only vehicles with the dual zone climate control will have this option.
Press SELECT when Auto Defog is
highlighted to open the menu. Turn
the Menu knob to highlight On or
Off. Press SELECT to confirm the
selection. Press 
BACK to move to
the last menu.
See also:
Leaving the Vehicle with the Engine Running
WARNING!
It can be dangerous to leave the
vehicle with the engine running.
The vehicle could move suddenly
if the shift lever is not fully in
P (Park) with the parking brake
firmly set. And, ...
Brake Pedal Travel
See your dealer/retailer if the brake pedal does not
return to normal height, or if there is a rapid increase in
pedal travel. This could be a sign that brake service
might be required. ...
OnStar® Hands-Free Calling
OnStar® Hands-Free Calling allows eligible
OnStar® subscribers to make and receive calls
using voice commands. Hands-Free Calling is fully
integrated into the vehicle, and can be used
with OnSta ...