2004 Subaru Impreza Owner's Manual - Page 451

Maintenance and service ! Headlights (U.S. spec. WRX-STi) High-intensity-discharge (HID) bulbs are used for the low beams of the headlights on the U.S. spec. WRX-STi. These HID bulbs use an extremely high voltage. To avoid the risk of an electric shock and resulting serious injury, you should not attempt to replace them. Neither should you attempt to replace the high-beam bulbs, remove/refit the headlight assemblies, or remove any headlight-assembly components. For replacement of the headlight bulbs (low-beam and high-beam), removal and installation of the headlight assemblies, and removal of headlight-assembly components, contact your Subaru dealer. on the bulb surface will develop into hot spots and cause the bulb to break. If there are finger prints or grease on the bulb surface, wipe them away with a soft cloth moistened with alcohol. NOTE " If headlight aiming is required, consult your SUBARU dealer for proper adjustment of the headlight aim. " It may be difficult to replace the bulbs. Have your SUBARU dealer replace the bulbs if necessary. ! Low beam light bulbs ! Headlight (Except U.S. spec. WRX-STi) Halogen headlight bulbs become very hot while in use. If you touch the bulb surface with bare hands or greasy gloves, finger prints or grease 11-66 UGB516BA