2009 Hyundai Sonata Owner's Manual - Page 123

1 FEATURES OF YOUR HYUNDAI 110 ANTENNA B870D01Y-AAT ! Glass Antenna CAUTION: ! CAUTION: o Replace the filter every 10,000 miles (15,000 km) or once a year. If the car is being driven in severe conditions such as dusty, rough roads, more frequent climate control air filter inspections and changes are required. o When the air flow rate is suddenly decreased, the system should be checked at an authorized dealer. HNF2189-A o 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 antenna elements. o Avoid adding metallic coatings to the rear window glass, such as Ni, Cd, etc. These can disturb receiving AM and FM broadcast signals. When the radio power switch is turned on while the ignition key is in either the "ON" or "ACC" position, your car will receive both AM and FM broadcast signals through the antenna in the rear window glass.