1996 Buick LeSabre Owner's Manual - Page 234

If you get gasoline on yourself and then something ignitesit, you could be badly burned. Gasoline can spray out on if you open the you fuel filler cap too quickly. This spray can happen if your tank is nearly full, and is more likely in hot weather. Open the fuel filler cap slowly and wait for any "hiss" noise to stop. Then unscrew the capall the way. Be careful not to spill gasoline. Clean gasoline from painted surfaces as soon as possible. See "Cleaning the Outside of Your Buick" in the Index. Decause you have the (L36) 3800 V6 engine, your fuel cap will be tethered and you cannot hang it on the inside fuel doorwhile refueling. To take off the cap, turn it slowly to the left (counterclockwise). 6-6