Lexus 2004 GX470 Owner's Manual page 116

2. To remove the fuel tank
counterclockwise by 90 degrees (to the pressure point
1 ), and then turn it an additional 30 degrees (to point
2 ). Pause slightly before removing it.
It is not unusual to hear a slight swoosh when the cap is
opened.
cap, turn the cap
3. The removed cap can be stored on the back side of the
fuel filler door.
Position the cap so that the hooks point to the left and right or
up and down, and set it in the receptacle on the back side of
the door.
EXTERIOR EQUIPMENT
15PY017
101