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:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Safety Belt
Refer to the following sections for important information
on how to use safety belts properly.
• Safety Belts: They Are for Everyone.
• How to Wear Safety Belts Properly.
• Lap-Shoulder B ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow.
If stuck too severely for the traction system to free the vehicle, turn the traction system off and us ...