1997 Toyota Corolla Owners Manual - Page 17

Electric sun roof ! CAUTION S Make sure the cap is tightened securely to prevent fuel spillage in case of an accident. S Use only a genuine Toyota fuel tank cap for replacement. It has a built in check valve to reduce fuel tank vacuum. 2. To remove the fuel tank cap, turn the cap slowly counterclockwise, then pause slightly before removing it. after removing the cap, hang it on the cap hanger. It is not unusual to hear a slight swoosh when the cap is opened. When installing, turn the cap clockwise till you hear a click. 17