2004 Buick LeSabre Owner's Manual - Page 137

Automatic Operation AUTO (Automatic): Press the AUTO button for automatic control of the inside temperature, the air delivery mode and the fan speed. 1. Press the AUTO button. 2. Adjust the temperature to 75° F (24° C). Choosing the coldest or warmest temperature setting will not cause the system to heat or cool any faster. If you set the system at the warmest temperature setting, the system will remain in manual mode at that temperature and it will not go into automatic mode. In cold weather, the system will start at reduced fan speeds to avoid blowing cold air into your vehicle until warmer air is available. The system will start out blowing air at the floor but may change modes automatically as the vehicle warms up to maintain the chosen temperature setting. The length of time needed for warm up will depend on the outside temperature and the length of time that has elapsed since your vehicle was last driven. 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. Manual Operation Pressing the FAN or AIR FLOW buttons cancels automatic operation and places the system in manual mode. Press the AUTO button to return to automatic operation. TEMP (Temperature): To manually adjust the temperature inside the vehicle, push the TEMP arrow. Push the TEMP up arrow for warmer temperature settings and the TEMP down arrow for cooler temperature settings. The setting will be shown on the display. The display will return to the outside temperature after a few seconds. 9 FAN: Pressing the FAN button will display and hold the current fan speed while in manual mode. If you want the fan to run at a lower speed, push the down arrow on the FAN button. If you want to increase the fan speed, push the up arrow on the FAN button. AIR FLOW: Pressing the AIR FLOW button will display and hold the current setting while in manual mode. 3-27