Specific wiring for retrofitting bi-xenon headlights with automatic headlight range adjustment in the following vehicles: VW Jetta VW Golf 5 / Plus 1K This cable set connects the headlights to the rear and front level sensors as well as to the central electrical connection. A xenon adapter as well as components for automatic leveling are also required Scope of delivery: Cable set Notes: After installation, the sensors must be coded via diagnosis In addition, with xenon headlights, you also need headlight washer nozzles. This option is often supplied with the winter package from the factory In most countries, the leveling system is required by law in combination with xenon headlights