2003 Cadillac DeVille Owner's Manual - Page 279

An alternate fuel door release is located inside of the trunk on the driver's side. Pull it to release While refueling, hang the fuel cap by the tether from the hook on the filler door. To remove the fuel cap, turn it slowly to the left (counterclockwise).The fuel cap hasspring in it; if you let go of the cap too soon, it wil Iring back to the right. If you get fuel on yourself and then something ignites it, you could be badly burned. Fuel can spray out on you if you open the fuel too cap quickly. This spray can happenif your tank is nearly full, and is more likely in hotweather. Open the fuel cap slowly and wait for any "hiss" noise to stop. Then unscrew the cap all the way. Be careful not to spill fuel. Clean fuel from painted surfaces as soon as possible. See Cleaning the Outside of Your Vehicle on page 5-87. 5-8