Withdrawal
Raise the car in front.
Remove lower engine cover.
Loosen fastener -2- of both horns -1-, disconnect plug and remove horns.
Examination
Through the auxiliary wires, connect the horn directly to the car's battery. To do this, connect the purple / blue wires to the positive pole (+), and the brown wire connector to the negative battery terminal. When connected, the beeper should work.
Attention: In order to gain access to the sound signals, the right air intake grille must be pulled out of the bumper. To do this, pull the grate at the right plate forward.
Installation
Insert horn and screw on.
Connect the multi-pin plug.
Install the lower engine cover.