Related Clues

• Tank top
• Top removed by attendants
• Tank top?
• It's removed before pumping
• Tank cover
• It's removed at the pump
• It's replaced after a fill-up
• It should be tightened until it clicks
• It's removed for a fill-up
• It's opened for a fill-up
• Something to unscrew on an auto
• Tank lid
• Tank top often removed in public?
• It's opened at the pump
• Item replaced after a fill-up
• Car part
• Car's tank cover
• It's removed to pump fuel
• A loose one may activate the "Check engine" light
• Often-removed car part