Interior Light Operation

Interior light operation (Same for Audi 90, 100, S4)
4A0 862 257B pump

When locking the car with the key from the door or trunk key locks the interior lights will be turned off. When unlocking the car with the key the interior lights are not turned on.

4A0 862 257D, F or G pump

When locking the car with the key from the door or trunk key locks the interior lights will be turned off. When unlocking from the door key locks the interior lights will be turned on with one turn of the key. When unlocking from the trunk the interior lights will be turned on with two turns of the key.

The interior light function with infrared operation is the same with both versions of the pump. The interior lights are turned off when locking the car and turned on when unlocking the car with the infrared