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]Body Sealing [Water Proof And Rust Preventive]
Sealant is applied to the parts where the panels meet and to the hemmed parts
of the door panel and hood panel to provide water proofing and rust proofing.
...
Air Bag System Service Cautions [Standard Deployment Control System]
Air Bag System Component Disassembly
Disassembling the air bag system components could cause it to not operate
(deploy) normally. Never disassemble any air bag system components.
Air Bag Module, Pre-tensioner Seat Belt Handling
Oil, grease, or water on the air bag modules ...
Clutch [C66 M R]
Purpose, Function
The clutch unit transmits or cuts the drive force between the engine and
MTX according to the clutch pedal operation.
Construction/Operation
The construction/operation of the clutch unit is the same as the original
MTX (ex: G66M-R).
...