1. The rear window defogger
are arranged portion of a vehicle rear window defroster grid type, battery power is consumed when the defroster work, when used, must first name of the car, then the rear window defogger switch, from about 10 to 15 minutes after defrosting automatically turns off. Of course you feel after a clear line of sight, not even then defroster automatically turns off, it must not forget to manually close the defroster to protect the window glass.