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:
Charging System Light
This light comes on briefly
when the ignition key is
turned to START, but
the engine is not running,
as a check to show it
is working.
If it does not, have the vehicle serviced by your
...
FM
FM signals only reach about
16 to 65 km (10 to 40 mi). Although
the radio has a built-in electronic
circuit that automatically works to
reduce interference, some static can
occur, especially ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted to
change the PIN the first time when
speaking with an Advi ...