You will need: keys «on 10», «at 13», TORX T20, flat blade screwdriver.
The sound signal is installed in the arch of the left front fender (bottom view with fender removed).
1. Remove the left front fender liner (see «Removal and installation of fender liner and wheel mudguards»).
2. Squeeze the clamp of the wiring harness block and disconnect the block from the horn (shown with windshield washer reservoir removed for clarity).
3. Turn away a nut of fastening of an arm of a sound signal and remove a sound signal.
4. Install the horn in the reverse order of removal.