1996 Mercury Sable Owner's Manual - Page 291

RWARNING The fuel system may be under pressure. If the fuel cap is venting vapor or if you hear a hissing sound, wait until it stops before completely removing the cap. Otherwise, fuel may spray out and injure you or others. 2. Make sure that you pump unleaded fuel and put the nozzle all the way inside the fuel filler pipe. NOTE: To help reduce early nozzle shutoffs and fuel spillage, park your vehicle so that the fuel filler door is not downhill. Do not tilt or turn the nozzle upside down when filling. Avoid excessively fast fuel dispensing rates (over 10 gallons [38 liters] per minute). 3. If you spill any fuel on the body of your vehicle, clean it off immediately. The fuel may dull or soften the paint if you do not wash it off. To replace the fuel cap, align the tabs on the cap with the notches on the filler pipe. Turn it clockwise until it stops. Push the fuel door closed. 4. 5. If the Service Engine Soon warning light comes on and stays on when you start the engine, the fuel cap may not be properly seated. Turn off the engine, remove the fuel cap and replace it, being careful to align the cap properly. For more information, see Warning lights in the Index. 264