1995 Cadillac Seville Owner's Manual - Page 278

While refueling, hang the cap inside the fuel door. P r To take off the cap, turn it slowlyto the left (counterclockwise). Be careful not to spill gasoline.Clean gasoline from painted surfaces as soon as possible. See "Cleaning the Outside of Your Cadillac" inthe Index. When you put the cap back on, turnit to theright until you hear atleast three clicks. NOTICE: If you need a new cap, be sure to get the right type. dealer Your fit can get one for you.If you get the wrong type, it may not or have proper venting, and your fuel tank and emissions system might be damaged. 6-7