Here's why:
* Legality: Siphoning gas from a vehicle that isn't yours is theft and is a crime. Even if it's your car, siphoning gasoline in many jurisdictions requires proper safety precautions and may still be against regulations.
* Danger: Gasoline is highly flammable and toxic. Siphoning it carries a significant risk of fire, explosion, or inhalation of harmful fumes. Older vehicles might have more fragile fuel lines that could easily be damaged during the process.
If you need to get gas out of your LeSabre, the safest way is to use a proper fuel pump or to have a qualified mechanic assist you. If the car is not running and you need to transfer the fuel for another purpose, seek professional help rather than risking your safety and the law.