2009 Hyundai Sonata Owner's Manual - Page 243

6 DO-IT-YOURSELFMAINTENANCE 28 G290B01NF-AAT REPLACEMENT OF LIGHT BULBS Adjustment After Headlight Assembly Replacement Vertical line Horizontal line W SPECIFICATION: "H" Horizontal center line of headlights from ground : 27.05 in. (687mm) "W" Distance between each headlight center : 51.5 in. (1,308mm) "L" Distance between the headlights and the wall that the lights are tested against : 118.11 in. (3,000 mm) G260A02L-GAT H Cut-off line L H Before attempting to replace a light bulb, be sure the switch is turned to the "OFF" position. The next paragraph shows how to reach the light bulbs so they may be changed. Be sure to replace the burned-out bulb with one of the same number and wattage rating. See page 6-35 for the wattage descriptions. Ground line G290B01NF ! CAUTION: If the vehicle has had front body repair and the headlight assembly has been replaced, the headlight aiming should be checked using the aiming screen as shown in the illustration. Turn on the headlight switch (Low Beam Position). 1. Adjust headlights vertically so that cutoff line is aligned with horizontal line shown in the illustration. 2. Dotted lines in the illustration show the center of the headlights. o Keep the lights out of contact with petroleum products, such as oil, gasoline, etc. o Be sure to replace the LED type equipped bulbs with an assembly. o After heavy, driving rain or washing, headlight and taillight lenses could appear frosty. This condition is caused by the temperature difference between the lamp inside and outside. This is similar to the condensation on your windows inside your vehicle during the rain and doesn't indicate a problem with your vehicle. If the water leaks into the lamp bulb circuitry, have the vehicle checked by an Authorized Hyundai Dealer.