Chevrolet 2013 Express Owner's Manual page 190

8-2 Climate Controls
)
(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.
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.
Vehicles with Air Conditioning
1. Fan Control
2. Temperature Control
3. Air Delivery Mode Control
4. Rear Window Defogger
On hot days, open the windows to
let hot inside air escape; then close
them. This helps to reduce the time
needed for the vehicle to cool down
and the system operates more
efficiently.
#
(Air Conditioning): Cools and
dehumidifies the air inside of the
vehicle.
(Maximum Air Conditioning):
Cools the air inside the vehicle
faster, by recirculating the inside air.
Rear Window Defogger
For vehicles with a rear window
defogger, a warming grid is used to
remove fog or frost from the rear
window.