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 capEngine immobiliser system malfunction
Description
This dtc is output when one of the following occurs: 1) the ecm detects
errors in its own
communications with the transponder key ecu; 2) the ecm detects errors in the
communication lines; or
3) the ecu communication id between the transponder key ecu and ecm is different
an ...
Installation
Hint:
Use the same procedures for the lh side and rh side.
The procedures listed below are for the lh side.
A bolt without a torque specification is shown in the
standard bolt chart (see page ss-2).
Install front shoulder belt anchor adjuster assembly
Align the adjuster pos ...
Replacement
Replace intake valve guide bush
Heat the cylinder head to 80 to 100°c (176 to
212°f).
Place the cylinder head on wooden blocks.
Using sst and a hammer, tap out the guide bush.
Sst 09201-10000 (09201-01050), 09950-70010
(09951-07100)
Heat the cylinder head to 80 to 10 ...