Sensors
The solar sensor, located in the defrost grille, middle of
the instrument panel, monitors the solar radiation.
Do not cover the solar sensor or the system will not work
properly.
There is also an interior temperature sensor located
next to the steering wheel that measures the
temperature of the air inside your 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.
In order to prevent false temperature readings at
startup, the displayed temperature will not change
until the following occurs:
• Vehicle speed is above 10 mph (16 k/mh) for
5 minutes.
• Vehicle speed is above 32 mph (51 k/mh) for
2 and a half minutes.
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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2006 - Buick Lucerne Owner Manual
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