2009 Hyundai Sonata Owner's Manual - Page 78

FEATURES OF YOUR HYUNDAI 1 65 HAZARD WARNING SYSTEM B370A01A-AAT REAR WINDOW DEFROSTER SWITCH B380A02NF-AAT With Manual A/C ! CAUTION: ONF048072 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. With Automatic A/C NOTE: ONF048057 The hazard warning system should be used whenever you find it necessary to stop the car in a hazardous location. When you must make such an emergency stop, always pull off the road as far as possible. The hazard warning lights are turned on by pushing in the hazard switch. This causes all turn signal lights to blink. The hazard warning lights will operate even though the key is not in the ignition. To turn the hazard warning lights off, push the switch a second time. The engine must be running for the rear window defroster to operate. ONF048071N The rear window defroster switch also activates the outside rearview mirror heaters. 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.