2009 Buick Lucerne Owner's Manual - Page 162

Climate Controls Climate Control System The heating, cooling, and ventilation for the vehicle can be controlled with this system. For vehicles with the remote start feature and it is activated, the climate control system heats or cools the inside of the vehicle, with the settings used before the vehicle was turned off. The heated seats, if the vehicle has them, and the rear window defogger will be turned on by the climate control system when it is cold outside. The cooled seat setting is not activated during a remote start. Normal operation of the system will return after the key is turned to the ON/RUN position. See Remote Keyless Entry (RKE) System Operation on page 2-5 for more information. A. Fan Control B. Temperature Control C. Air Delivery Mode Control D. Recirculation E. Air Conditioning F. Rear Window Defogger 3-22