The headlamp washer device is responsible for washing the front windscreen and the headlamp lens.The headlamp washer function is managed by the Body Computer which automatically operates the headlamp washers - with the dipped headlamps on - when the windscreen washer is operated, via the lever on the right of the steering wheel.The headlamp washer device consists of a detergent delivery pump and a nozzle in the bumpers that sprays a powerful jet onto the headlamp.A timer operates the headlamp washer pump in a series of half second pulses.The headlamp washer circuit is protected by a fuse and adjusted by a specific relay, located in the engine compartment control unit.