What You Will Need

• Gather the appropriate materials together and you will have gas flowing in no time. All you need is a length of three-eighths inch clear tubing available at a hardware store (probably about six feet will be good), an approved gasoline container and the ability to suck on a hose, according to MisterFixIt.com.
  
  

The Procedure

• Shove one end of your clear tubing into the gas tank of the car in the same place where you usually fill it up. You must get the end of the hose below the level of the gasoline for the siphoning to work. Test the depth of the hose by blowing on the opposite end with some force. If you hear bubbling, then you know it is deep enough. Ideally you want it to be as deep in the gas as you can get it.
  Let the tube protruding from the tank loop down and rest on the ground, and then hold the other end of the tubing with your hand above the level of the gas tank. Have your gas container opened and ready to receive fuel sitting on the ground. It must be lower than the level of the gasoline.
  Begin sucking on the open end of the tubing and watch as gas enters the hose as it would through a straw. Be sure to keep the end of the hose above the level of the gas and continue sucking until the gas is about a foot away from your mouth. With the hose held straight up at a high enough level, the gas should remain trapped in the hose.
  Lower the hose into the opening of your container and see the fuel flow into the container. When the container has all of the gas you want to put in it, simply lift the hose back up above the gas tank level to stop the flow. When you are done, slowly remove the hose, keeping it held high to drain any remaining gas back into the car, according to Mr.FixIt.com.
  
  

Precautions

• Be extremely careful when siphoning gasoline, as there are dangers associated with the various contacts that can be made with the substance during this process. Dangers include chemical burns from skin contact, nausea, vomiting and abdominal pain from swallowing gasoline, and respiratory arrest, permanent lung damage, coma and death can result from inhaling too many fumes or aspirating liquid gasoline into the lungs, according to the University of Virginia Health System.
  Drill pumps can be adapted to form the necessary suction to siphon gasoline, but they also pose a danger when being used to draw out any flammable liquid.