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Audi side assist
Warning lamps in the exterior mirrors
The Audi side assist warns or alerts the driver, as appropriate, of potential hazards during a lane change by
means of warning lamps integrated into the two exterior mirrors.
The usual service designations for these are: Side assist warning lamp in driver side exterior mirror K233 and
side assist warning lamp in front passenger side exterior mirror K234.
The two warning lamps K233 and K234 can be replaced individually, without having to remove the mirror
housing. This procedure is described in the Workshop Manual.
The warning lamps are activated directly by the side assist slave control unit J770.
They comprise four yellow LEDs.
If the Audi side assist recognises a critical situation in one of the two lanes, and no imminent lane change is
indicated, the driver is informed of this situation through illumination of the warning lamp in the relevant
exterior mirror. If an intended change of lane is indicated through actuation of a turn signal and the adjacent
lane is occupied, the driver is warned by the warning lamp flashing on and off four times.
The customer can adjust the brightness of the warning lamps to 5 different levels via the MMI.
The current ambient brightness measured by the rain and light sensor G397 is also used for determining the
brightness of the warning lamps.
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