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 capHow to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the key reminder
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
Hint:
If the voltage is below 11 v, recharge or replace the battery
before proceedi ...
Tire inflation pressure
Tire inflation pressure
The recommended cold tire inflation
pressure and tire size are displayed
on the tire and loading
information label.
Inspection and adjustment procedure
Tire valve
Tire pressure gauge
Remove the tire valve cap.
Press the tip of the tire pressure gaug ...
Disassembly
Remove magnetic switch assembly
Remove the nut and disconnect the lead wire from
the magnetic switch.
Remove the 2 screws holding the magnetic switch
to the starter drive housing.
Remove the magnetic switch.
Remove the return spring and plunger from the
starter drive hou ...