1. Park your car in a safe location and turn off the engine.
2. Open the hood of your car.
3. Locate the four bolts holding the front bumper in place. Two of the bolts are located on the top of the bumper, near the headlights, and two of the bolts are located on the bottom of the bumper.
4. Remove the four bolts.
5. Gently pry the front bumper cover away from the car. Be careful not to damage the bumper or any of the other components in the engine compartment.
6. Once the front bumper cover is removed, you can locate the horn on the driver's side of the car, behind the front bumper. It is a round, black object with a wire connector attached to it.
7. Disconnect the wire connector from the horn.
8. Remove the horn by unscrewing the two bolts holding it in place.
9. Install the new horn by reversing the steps above.