1. Switch the ignition ON (engine off or on).
2. Open the driver's door.
3. Switch the ignition OFF.
4. Disconnect the negative battery cable..
5. Remove the column cover..
6. Rotate the steering wheel in the direction of the arrow shown in the figure to the angle where the service hole is visible.

7. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure.

8. While pressing the wiper and washer switch tab in the direction of the arrow (1) shown in the figure using a flathead screwdriver, pull out the wiper and washer switch in the direction of the arrow (2) shown in the figure to detach the wiper and washer switch tab and the start stop unit.

9. Remove the wiper and washer switch from the start stop unit.

10. Install in the reverse order of removal.
Rain Sensor Removal/Installation
WashersCoupler Component Removal/Installation [Fw6 A EL, Fw6 Ax EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...
Rear Window Defroster/Outer Mirror Heater
Outline
Fogging is cleared from the rear window and outer mirror glass by heating
of the filament.
Structural view
System wiring diagram
Vehicles with full-auto air conditioner system
Vehicles with manual air conditioner system
Construction
Rear window defroster
...
Auto Light Sensor
Purpose
The auto light sensor detects the illumination level above and in front of
the vehicle and outputs it to the front body control module (FBCM).
Function
The auto-light sensor uses the upward illumination level sensor to detect
the illumination level above the vehicle ...