2006 Buick LaCrosse Owner's Manual - Page 144

Climate Controls Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. If your vehicle has the remote start feature and it is activated, the climate control system will automatically cool the vehicle if the temperature is greater than 90°F (32°C) and heat the vehicle if the temperature is below 37°F (3°C). If the temperature is between 37°F (3°C) and 90°F (32°C), the last control setting selected when the engine was running will be used. Normal operation and the last setting of the climate control system will return after the key is turned to the RUN position. Operation OFF: Turn the left knob to this position to turn the climate control system off. 9(Fan): Turn the knob by this symbol, located on the left side of the climate control panel, clockwise or counterclockwise to increase or decrease the fan speed. The fan speed will be temporarily reduced between the transition to a new mode. The fan will resume the original speed when the transition to the new mode is complete. Temperature Control: Turn the center knob clockwise or counterclockwise to increase or decrease the temperature inside your vehicle. 3-22