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 capIf your vehicle overheats
The following may indicate that your vehicle is overheating.
The high engine coolant temperature warning light Comes
on or a loss of engine power is experienced. (For example, the
vehicle speed does not increase.)
Steam comes out from under the hood.
Correction procedures
Stop ...
Sun visors and vanity
mirrors
Sun visors
Forward position:
flip down.
Side position:
flip down, unhook, and swing
to the side.
Side extender (if equipped):
place in side position then slide
backwards.
Vanity mirrors
Slide the cover to open.
The light turns on when the cover
is opened.
Notice
To ...
Dtc check / clear
Notice:
When the diagnosis system is changed from normal
mode to check mode or vice versa, all dtcs and freeze
frame data recorded in normal mode are erased. Before
changing modes, always check and make a note of any
dtcs and freeze frame data.
Hint:
Dtcs which are stored in the ecm can be ...