CHEVROLET 2010 Express - Manual (Page 168)

Rear Heating System
For vehicles with a rear heating system, it lets you adjust
the amount of air flowing into the rear of the vehicle, from
the front-seating area. This feature works with the main
climate-control system in the vehicle.
AUX: The thumbwheel for this system is located in the
switchbank below the audio system.
9 (Fan): Turn the thumbwheel up or down to increase
or decrease the amount of heated air sent to the
rear-seating area.
Q
(High): This position supplies the most amount of
heat to the rear-seating area.
c (Medium): This position supplies half the amount of
heat to the rear-seating area.
R (Low): This position supplies the least amount of
heat to the rear-seating area.
9 (Off): Turns the rear heating system off.
Rear Air Conditioning and Heating
System
For vehicles with a rear heating and air-conditioning
system, it maintains the temperature, fan speed and air
delivery for the rear-seat passengers only. It also works
with the main climate-control system in the vehicle.
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