Where is the horn located on the Audi A4L?

[LaGabrielle]

Audi A4L's horn is located inside the front wheel bumper, but some models have the horn installed in the grille. Additional information: 1. Reasons for horn failure: Faulty vehicle electrical control unit; Horn malfunction; Horn relay and circuit issues; Horn button failure; Steering wheel control unit fault. 2. Inspection method: Use a multimeter to check whether there is electricity at this point when pressing the horn switch. If there is no electricity, inspect the horn wiring harness and horn relay; If there is electricity, the problem lies with the horn itself. At this point, you can also try adjusting the adjustment nut on the horn to see if it can produce sound. If it still doesn't work, the horn needs to be replaced.