Disconnect the indicator box 6P red and 6P brown connectors.
Remove the fuel tank cap using the ignition key.
Remove the socket bolts and fuel tank cover/indicator box as an assembly.
Installation is in the reverse order of removal.
Disassembly/assembly
Remove the fuel tank cover/indicator box (see above).
Remove the screw and indicator box from the fuel tank cover.
Remove the screws and indicator lens.
Remove the screws and indicator plate from the housing.
Remove the indicator bulbs from the indicator plate.
Assembly is in the reverse order of disassembly.