1. Disconnect the negative battery cable..
2. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure.

3. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull up the main fuse cover in the direction of the arrow (2) shown in the figure, and detach the main fuse cover tab from the main fuse.

4. Remove the main fuse cover.

5. Remove the nuts.

6. Remove the main fuse.
7. Install in the reverse order of removal.
Main Fuse
Main Relay [Skyactiv G 2.0]Oil Pressure Switch 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.
...
Fuel Filter (High Pressure) Removal/Installation
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
Rear Body Control Module (Rbcm) Removal/Installation
CAUTION:
If configuration is not performed when the rear body control module (RBCM)
is replaced with a new one, the vehicle specification information is not stored
in the rear body control module (RBCM) and the system will not operate normally.
When performing configuration, it ...