GMC Savana 2011 Owner's Manual page 202

8-2 Climate Controls
Air Delivery Mode Control:
Turn the knob clockwise or
counterclockwise to change the
current airflow mode.
H
(Vent): Air is directed to the
instrument panel outlets.
)
(Bi-Level): Air is divided
between the instrument panel and
floor outlets, with some air directed
toward the windshield.
6
(Floor): Air is directed to the
floor outlets with some air directed
to the windshield and side windows.
-
(Defog): This mode clears
the windows of fog or moisture.
Outside air is directed to the floor
and defroster outlets. Adjust the
temperature knob for warmer or
cooler air. The air conditioning
compressor might turn on in this
setting to dehumidify the air.
I n f o r ma t i o n P r o v i d e d b y :
1
(Defrost): This mode clears
the windshield of fog or frost
more quickly. Air is directed to the
windshield, with some to the floor
outlets and front side windows. The
air conditioning compressor might
turn on in this setting to dehumidify
the air.
Do not drive the vehicle until all the
windows are clear.