Air vents, Air vents -10, 10 climate controls – GMC 2012 Sierra User Manual

Page 276

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Black plate (10,1)

GMC Sierra Owner Manual - 2012 - CRC - 11/15/11

8-10

Climate Controls

The interior temperature sensor,
located in the headliner, measures
the temperature of the air inside the
vehicle.

There is also an exterior
temperature sensor located behind
the front grille. This sensor reads
the outside air temperature and
helps maintain the temperature
inside the vehicle. Any cover on the
front of the vehicle could cause a
false reading in the displayed
temperature.

The climate control system uses the
information from these sensors to
maintain comfort settings by
adjusting the outlet temperature, fan
speed, and the air delivery mode.
The system may also supply cooler
air to the side of the vehicle facing
the sun. The recirculation mode will
also be used as needed to maintain
cool outlet temperatures.

Air Vents

Use the air outlets located in the
center and on the side of the
instrument panel to direct the
airflow. Use the thumbwheels near
the air outlets to open or close off
the airflow.

Operation Tips

.

Clear away any ice, snow,
or leaves from air inlets at the
base of the windshield that could
block the flow of air into the
vehicle.

.

Keep the path under the front
seats clear of objects to help
circulate the air inside of the
vehicle more effectively.

.

Use of non‐GM approved hood
deflectors can adversely affect
the performance of the system.
Check with your dealer before
adding equipment to the outside
of the vehicle.

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