See also:

To turn the system ON/OFF
Push the “OFF” or “ON·OFF” button when the heater and air conditioner is off. The system will turn on with the settings that were used immediately before the system was turned off. ...

Engine block heater (if so equipped)
Engine block heaters are used to assist with cold temperature starting. The engine block heater should be used when the outside temperature is 208F (−78C) or lower. To use the engine blo ...

Battery
- Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. - Make certain the terminal connections are clean and securely tightened. - If the vehicle is n ...