Power off the low-voltage electrical system. Refer toPower-off and power-on of low-voltage electrical system
Lift the carpet assembly to a proper position.
Move floor wiring harness I (with positive fuse box).
Disconnect 1 connector.
Remove 1 fixing nut.
Tightening torque: 13N•m
Remove 1 fixing bolt.
Tightening torque: 6N•m
Detach 2 fixing clips and move aside the floor wiring harness I (with positive fuse box) to a proper position.
Remove 4 fixing nuts and take out the 12 V battery.
Tightening torque: 9N•m
Install it in the reverse order of removal.