How do you remove the gas tank from a 1999 Cadillac Eldorado?

To remove the gas tank from a 1999 Cadillac Eldorado, first ensure the fuel is drained and disconnect the negative battery terminal. Lift the vehicle and support it securely, then remove the fuel filler neck and any fuel lines connected to the tank. Finally, unbolt the tank straps and lower the tank from its mounting. Make sure to handle the tank carefully to avoid damaging any surrounding components.