To turn on the heater, press the switch. To turn off the heater, press the switch again. The heater will be automatically turned off after about 20 minutes. To turn it on again, press the switch after the heater has automatically turned off.
Caution: When wiping the inside surface of the rear window, use only a soft cloth and wipe the glass carefully along the wires of the glass heater so as not to damage them.
Note: The rear window defroster only operates when the engine is running.