GMC 2011 Sierra - Manual (Page 287)

Black plate (5,1) GMC Sierra Owner Manual - 2011
Climate Controls 8-5
6 (Floor): Air is directed to the
floor outlets, with some air directed
to the windshield, side window, and
second row floor outlets. In this
mode, the system automatically
selects outside air.
-
(Defog): This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents.
0
(Defrost): This mode
removes fog or frost from the
windshield more quickly. Air is
directed to the windshield and
the side window vents, with some
air directed to the floor vents.
The system automatically forces
outside air into the vehicle.
Do not drive the vehicle until all the
windows are clear.
Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with
this system. The vehicle also has a flow-through ventilation system
described later in this section.
A. Driver and Passenger
Temperature Controls
B. Fan Control
C. AUTO
D. Defrost
E. Recirculation
F. Outside Air
G. Air Delivery Mode Control
H. Display
I. On/Off
J. Rear Window Defogger
K. Air Conditioning
L. PASS (Passenger)