1997 Pontiac Trans Sport Owner's Manual - Page 332
1997 Pontiac Trans Sport Manual
Page 332 highlights
If you get gasoline on yourself then and something ignites it, could be badly burned. you Gasoline can spray out on if you open the you fuel filler cap too quickly. This spray can happen if your tankis nearly full, and is more in likely hot weather.Open the fuel filler cap slowly and wait for any"hiss" noise to stop. Then unscrew the cap all the way. Be careful notto spill gasoline. Clean gasolinefrom painted surfaces as soon as possible. See "Cleaning the Outside of Your Pontiac" in the Index. When you put the cap back on, turnit to the right (clockwise) until you hear a clicking sound. Make sure you fullyinstall the cap. The diagnostic system can determine if the cap has been left fuel off or improperly installed. This would allow fuel to evaporate into the atmosphere. See "Malfunction Indicator Lamp" in the Index. NOTICE: If you need a new cap, be sure to get the right type. Your dealer can get one for If you get you. the wrongtype, it may not fit properly. This may cause your malfunction indicator lamp to light and your fuel tank and emissions system may be damaged. See "Malfunction Indicator Lamp" in the Index. 6-7