2005 Hyundai Elantra Owner's Manual - Page 70

FEATURES OF YOUR HYUNDAI 1 59 REAR WINDOW DEFROSTER SWITCH Do not operate the washer continuously for more than 15 seconds or when the fluid reservoir is empty; this could damage the system. Do not operate the wiper when the window is dry; this can result in scratching as well as premature wiper blade wear. For the reason stated above,do not operate the washer when the washer fluid reservoir is empty. B380A01E-AAT ! CAUTION: Do not clean the inner side of the rear window glass with an abrasive type of glass cleaner or use a scraper to remove foreign deposits from the inner surface of the glass as this may cause damage to the defroster elements. NOTE: B380B01E-A The ignition must be in the "ON" position for the rear window defroster to operate. The rear window defroster and heated outside rearview mirrors are turned on by pushing in the switch. To turn the defroster off, push the switch a second time. The rear window defroster automatically turns itself off after about 20 minutes. To restart the defroster cycle, push in the switch again after it has turned itself off.