See also:

Power steering fluid
Check the fluid level in the reservoir. The fluid level should be checked when the fluid is cold at fluid temperatures of 32 to 86ºF (0 to 30ºC). The fluid level can be checked with t ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked reg ...

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. ...