1. Avoid long punching car horn, preferably not more than 10 seconds, so as to avoid horn contact erosion, damage the speakers.
2. Keep speaker external clean, do not wash the car speaker with water directly, to avoid speaker does not ring. If the water renter the speaker, we need timely dry with air gun.
3. Check fixing screws on the horn regularly, ensure its reliable and ground; And check the engine output voltage to prevent the voltage is too high and burn horn contact, voltage is too low cause abnormal sound.
4. Do not modify the horn casually, if it must be modified, please consult professionals to prevent leading speaker failure.