Lexus 2013 IS250 Owner's Manual page 224

222
4-4. Refueling
Closing the fuel tank cap
1
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.
2
Close the fuel filler door, and
press the center of the rear edge
of the fuel filler door until you
hear a click.
When you lock the doors, the fuel
filler door will also lock.

Fuel filler door lock condition
The fuel filler door may not be locked even when the vehicle's doors are locked
in the following situations:

When operating the door lock button inside the vehicle

When the automatic door locking system is operated (P. 122)

When the fuel filler door is closed after the vehicle's doors are locked
CAUTION

When replacing the fuel tank cap
Do not use anything but a genuine Lexus fuel tank cap designed for your vehi-
cle. Doing so may cause a fire or other incident which may result in death or
serious injury.
IS250_EE(OM53B11E)