See also:

Engine block heater (for Canada only)
Engine block heaters are used to assist in cold temperature starting. The engine block heater should be used when the outside temperature is 20°F (−78°C) or lower. To use the engine block heat ...

Clearing the programmed information
Individual buttons cannot be cleared, however to clear all programming, push and hold the two outside buttons and release when the indicator light begins to flash (in approximately 20 seconds). ...

Heater and air conditioner (automatic)
1. (front defroster) button 2. (rear window defroster) button 3. OFF button 4. Fan speed decrease button 5. Fan speed increase button 6. AUTO climate control ON button 7. REAR ...