1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the connector.

4. Remove the bolt.
5. Remove the horn.
6. Install in the reverse order of removal.
Horn InspectionWarning Lights
These lights turn on or flash to notify the user of the system operation
status or a system
malfunction.
Signal
Warning Lights
Master Warning Light *1
Brake System Warning Light *1*2
ABS Warning Light *1
Charging System Warnin ...
Brake Fluid Level Sensor Inspection
1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level
sensor terminals.
If not as indicated in the table, replace the reserve tank.
...
Rear Door Module Panel Removal/Installation
1. Fully open the rear door glass.
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Rear door trim.
b. Rear door speaker.
c. Rear power window motor.
d. Rear door quarter glass.
e. Rear door glass.
4. Remove the clips securing the rear door wiring harness ...