At a gas station, how do I activate/lock the lever while it's in

At Gas stations, how does the lever on the gas dispenser know when to cut off the gas flow when the tank gets close to being full? - Quora

The Reason Why the Gas Pump Nozzle Is Always Shutting Off on You

qph.cf2.quoracdn.net/main-qimg-242d39c1805438ca1c1

Why do car manuals say to stop pumping more gas in once the nozzle clicks off? Is there harm in doing so? - Quora

How to Pump Gas the Right Way

qph.cf2.quoracdn.net/main-qimg-93c34ae5f5e182291e8

Covid-19: Practical Tips for Ride Sharing — Maureen Mayhew

How to siphon gas from a car - Quora

10 Things You Should Never Do While Pumping Gas

qph.cf2.quoracdn.net/main-qimg-6cfef4e724649a05999

If you squeeze the gas pump when its not in your gas hole will it go all over the place? - Quora

7 Things To Never Do While Pumping Gas

When a tanker truck refuels a gas station is it carrying just one type of fuel (regular or mid grade or premium) or does it have separate fuel compartments for each?

The Secret to Opening and Closing Your Locking Gas Cap!