A8L Quattro Sedan W12-6.0L (BSB) (2005)
Collision Avoidance System Switch: Service and Repair
Lane Change Assistance Button
The lane change assistance button (E530) - arrow - sits in the switch strip and cannot be replaced separately if faulty.
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Replace the button in the instrument panel. Refer to=> [ Lane Change Assistance Warning Lamps ] See: Accessories and Optional
Equipment/Collision Avoidance and Parking Assist Systems/Collision Avoidance Warning Indicator/Service and Repair.