Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | System description - exterior lights | Self diagnosis, V.A.G Inspection Service | Switching on the dipped beam headlights automatically

General notes and components used

This function is only possible if the rain and light sensor -G397- is fitted and the light switch -E1-is set to AUTO.

The following components are used:

t	Onboard supply control unit -J519-

t	Rain and light sensor -G397-

t	Light switch -E1-

t	Convenience system central control unit -J393-

t	Steering column electronics control unit -J527-

t	Intermittent wiper switch -E22-

t	Rear lights

t	Headlights

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