For 1990-2009 cars

Condition | Action
--- | ---
Harsh Tone | Tighten the bolts in the sheet metal mounting area.
Weak, Strained Tone | Remove the foreign object from the horn.
Weak Tone |

• | A weak tone indicates a low current.

• | Adjust the current. Refer to Horn Current Adjustment .

Low-Pitched Moan |

• | A low-pitched moan indicates a high current.

• | Adjust the current. Refer to Horn Current Adjustment .

Harsh Vibration |

• | The horn is contacting the sheet metal.

• | Adjust the bracket in order to allow clearance and freedom from interference.