Siphoning gasoline from a car is a relatively simple process that can be done with a tube. Here’s how to do it:

1. Obtain a clear plastic tube that is long enough to reach from the gasoline tank of the car to a container that you will use to collect the gasoline.
2. Make sure the car’s engine is turned off and that there is no risk of sparks or fire.
3. Locate the gasoline tank. This is usually located near the rear of the car, underneath the trunk or rear seat.
4. Place one end of the tube into the gasoline tank and the other end into the container.
5. Suck on the end of the tube that is in the container until the gasoline begins to flow into the container.
6. Keep the tube in place until you have transferred as much gasoline as you need.
7. Remove the tube from the gasoline tank and the container. Store the gasoline in a safe place, away from any heat sources or potential sources of ignition.

It’s important to note that siphoning gasoline is illegal in some states and can be dangerous, as gasoline is flammable and can cause harm if not handled properly. Always be cautious when dealing with gasoline and make sure to follow safety guidelines and regulations.