After refueling, turn the fuel tank cap until you hear a click. Once the cap is released, it will turn slightly in the opposite direction.

Caution
When replacing the fuel tank cap
Do not use anything but a genuine toyota fuel tank cap designed for your vehicle. Doing so may cause a fire or other incident which may result in death or serious injury.
Opening the fuel tank capRear wiper rubber
Components
Removal
Remove rear wiper blade assembly
Rotate and remove the cap as described in the
"remove" procedures.
Raise the arm and blade.
Raise the wiper blade to the position where the claw
detach with a ''click'' sound, as shown in the
illustrat ...
Fuel tank
Components
Removal
Discharge fuel system pressure (see page
fu-9)
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
...
If the vehicle becomes
stuck
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Stop the engine. Set the parking brake and shift the shift lever to p.
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other material to help provide t ...