1998 Pontiac Grand Prix Owner's Manual - Page 282

A CAUTION: If you get gasoline on yourself and then something ignites it, could be badly burned. you Gasoline can spray out on if you open the you fuel fillercap too quickly. This spraycan 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 notto spill gasoline. Clean gasoline from painted surfaces as soon as possible. "Cleaning the See Outside of Your Vehicle" in the Index. I . When you put the cap back on, turnclockwise until it you hear a clicking sound. Make sure you fully install the cap. The diagnostic system can determine fuel if the cap has been left off or improperly installed.This would allow fuelto evaporate into the atmosphere. See "Malfunction IndicatorLamp" in the Index. NOTICE: I you need a new cap, besure toget the right f type. Yourdealer can get one for If you get you. the wrong type, it may not fit properly. This may cause your malfunction indicator lamp to light and yourfuel tank and emissions system may be damaged.See "Malfunction Indicator Lamp" in theIndex. 6-7