In a grid-down scenario, knowing how to access fuel can mean the difference between escape and being trapped. Modern cars have anti-siphon devices—metal flaps, spring traps, and filters—designed to keep you dependent on stations. It’s not impossible, just harder. Practicing now ensures that in a crisis, you’ll have a tank full while others are left stranded. Preparation beats hesitation every time.
https://www.askaprepper.com/how-to-siphon-gas-from-a-car-with-anti-siphon/