1998 Chevrolet Cavalier Owner's Manual - Page 265

When you put the cap back on, it to the right turn (clockwise) untilyou hear a clicking sound. Make sure you fully installthe cap. The diagnostic system can determine if the he1 cap has been leftoff or improperly to installed. This would allow fuel evaporate into the atmosphere. See "Malfunction IndicatorLamp" in the Index. Filling a Portable Fuel Container NOTICE: If you need a new cap, besure to getthe right f type. Your dealer can get one you. I you get for the wrong type, may notfit properly. This may it cause your malfunction indicator lamplight to and your fueltank and emissions system may be damaged. See "Malfunction Indicator Lamp" in the Index. Never fill a portable fuel container while it is in your vehicle. Static electricity discharge from the container can ignite the gasoline You can vapor. be badly burnedand your vehicle damaged if this occurs. To help avoidinjury to you and others: Dispense gasoline only into approved containers. Do not fill a container while it is inside a vehicle, ina vehicle's trunk, pickup bedor on any surface other than the ground. Bring the fill nozzle in contact with the inside of the fill opening before operating the nozzle. Contact should be maintained until the filling complete. is Don't smoke while pumping gasoline. 6-7