1997 Buick Century Owner's Manual - Page 272

If you get gasoline on yourself and then something ignites it, could be badly burned. you Gasoline can spray out you if you open the on too fuel filler cap quickly. This spray can happen if your tank is nearly full, and more likely in is hot weather. Open the fuel filler cap slowly and wait for any "hiss" noise to stop. Then unscrew way. the cap all the 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. While refueling, let the cap hang by the tether below the fuel fillopening. To take off the cap, turn it slowly to the left (counterclockwise). The caphas a spring in it; if you let go of the cap too soon, it will spring back to the right. 6-6