2009 GMC SIERRA window

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Page 211 of 596

GMC SIERRA 2009  Owners Manual Dual Automatic Climate Control
System
The heating, cooling, and ventilation in the vehicle can be
controlled with this system. The vehicle also has a
�ow-through ventilation system described later in

Page 213 of 596

GMC SIERRA 2009  Owners Manual 2. Set the driver’s and passenger’s temperature.
To �nd your comfort setting, start with a 74°F (23°C)
temperature setting and allow about 20 minutes
for the system to regulate. Use the driver o

Page 214 of 596

GMC SIERRA 2009  Owners Manual 6(Floor):Air is directed to the �oor outlets, with
some to the windshield, side window outlets, and
second row �oor outlets. In this mode, the system
automatically selects outside air.
-(Defog):This m

Page 215 of 596

GMC SIERRA 2009  Owners Manual This mode recirculates and helps to quickly cool the
air inside the vehicle. It can be used to help prevent
outside air and odors from entering the vehicle.
The recirculation mode cannot be used with

Page 249 of 596

GMC SIERRA 2009  Owners Manual 4. Press the trip/fuel button until the vehicle heading,
for example, N for North, is displayed in the DIC.
Or, if the vehicle does not have DIC buttons,
press and hold the trip odometer reset stem fo

Page 318 of 596

GMC SIERRA 2009  Owners Manual Remote Control
To use the remote control, aim it at the transmitter
window at the rear of the RSE overhead console and
press the desired button. Direct sunlight or very bright
light could affect the a

Page 321 of 596

GMC SIERRA 2009  Owners Manual Problem Recommended Action
The remote control does
not work.Check to make sure there
is no obstruction between
the remote control and
the transmitter window.
Check the batteries to
make sure they are

Page 352 of 596

GMC SIERRA 2009  Owners Manual Hydroplaning
Hydroplaning is dangerous. Water can build up under
your vehicle’s tires so they actually ride on the water. This
can happen if the road is wet enough and you are going
fast enough. Whe