Audi (99-05 w/TOW) Hazard Switch w/ Turn Signal Relay GENUINE Hazard Switch with Relay NOTE: (10 pin connection) for cars w/ Trailer Towing Option. The relay is contained in the switch and not available separately. Audi part# 4B0 941 509 K B98, check fit below. Genuine Audi part, recently made: not been lying around. Please see FITMENT CHART below, under PRODUCT DESCRIPTION. Email us your VIN for any questions.