Audi A4 Ambient Lighting Setting. The decided to do something more adventerous tonight and do the ambient lighting mod. One owner suggests jumping a ground to the tiny brown wire in the panel above the drivers foot.
If there is a problem with the switch doing so will instantly allow the courtesy lights door indicator and chime to work. You dont need diagnostic tools like VCDS VAG-COM or VAS to activate this feature. Audi A4 B9 A5 S5 OEM Design 32 Colors Ambient Light.
The headlights switch on automatically according to the ambient light conditions for instance in a tunnel at sunset or in the rain or snow.
This feature gives you control of the footwell backlight intensity. Audi Interior Lighting Settings. Audi A4 B9 A5 S5 OEM Design 32 Colors Ambient Light. This feature gives you control of the footwell backlight intensity.