1997 Chevrolet Malibu Owner's Manual - Page 228

When you put cap back on, it to the right the turn (clockwise) until you hear clicking sound. Make sure a you fully install the cap. The diagnostic system can determine if the fuel cap has been off or improperly left installed. This would allow fuelto evaporate into the atmosphere. See "Malfunction Indicator Lamp" in the Index. Checking Things Under the Hood I NOTICE: I An electric fan underthe hood can start up and injure you even when engine is not running. the Keep hands, clothing tools awayfrom any and underhood electric fan. I I you needa new cap, besure to the right f get f type. Your dealer can get onefor you. I you get the wrong type,it may not fit properly. This may cause your malfunction indicator lamp to light and your fueltank and emissions system may be damaged. See "MalfunctionIndicator Lamp" in the Index. 6-7