The Hyundai Atos (2004-2008) features halogen headlights that use a dual-filament H4 bulb for both high and low beams, combined with separate P21W and W5W bulbs for turn signals and parking lights . These units are designed with a transparent lens and are equipped with electric headlight leveling adjustment, though they lack a servomotor and use a spring-clip mechanism for secure bulb retention .