2009 Buick LaCrosse Owner's Manual - Page 148

3. Wait for the system to regulate. This may take from 10 to 30 minutes. Then, adjust the temperature, if necessary. Do not cover the solar sensor located in the center of the instrument panel, near the windshield. For more information on the solar sensor, see "Sensors" later in this section. 4. Press OFF to turn the climate control system off. Only the rear defog and heated seats will function. Press AUTO or any other button except the heated seats or rear defog to turn the climate control system back on. This control has four types of operation. For vehicles with the remote start feature, the climate control system automatically regulates the inside temperature of the vehicle when the remote start system is activated. Normal operation and the last setting of the climate control system will return after the key is turned on. Manual Operation During daylight hours, the instrument panel brightness control might need to be adjusted to the highest setting, in order to see the indicator lights for the various climate control settings. OFF: Press to turn the climate control system off. • Automatic can set/change the temperature only. AUTO and temperature only will appear on the display. • Semi-Automatic Fan can set/change the temperature and mode. The fan operates automatically. The temperature and mode will appear on the display. y z (Temperature): Press to manually adjust the temperature inside the vehicle. Press y or z on the driver or passenger side to increase or decrease the temperature. The display will show the selected temperature. z 9 / 9 y (Fan Control): Press the fan control buttons to increase or decrease the fan speed. Pressing the arrows cancels the automatic operation and places the system in manual or semi-automatic mode. Press the AUTO button to return to automatic operation. If the airflow seems low when the fan is at the highest setting, the passenger compartment air filter may need to be replaced. For more information see Passenger Compartment Air Filter on page 3-29 and Scheduled Maintenance on page 6-4. • Semi-Automatic Mode can set/change the temperature and fan speed. The mode operates automatically. The fan speed and temperature will appear on the display. • Manual can set/change the temperature, mode and fan. The fan speed, temperature, and mode will appear on the display. 3-26