Sensors – Hummer 2008 H2 User Manual

Page 177

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Sensors

The solar sensor,
located in the defrost
grille in the middle of
the instrument panel,
monitors the solar
radiation. Do not cover
the solar sensor or
the system will not
work properly.

The interior temperature
sensor located in the
headliner above the
driver side seat 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 your comfort setting 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.

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