2005 Hyundai Sonata Owner's Manual - Page 101

1FEATURES OF YOUR HYUNDAI 88 ! WARNING: ! WARNING: HNF2021 ! WARNING: o The fuel cap must be tightened until the cap clicks, otherwise " " light will illuminate. o Gasoline vapors are dangerous. Before refueling, always stop the engine and never allow sparks or open flames near the filler area. If you need to replace the filler cap, use a genuine Hyundai replacement part. o If you open the fuel filler cap during high ambient temperatures, a slight "pressure sound" may be heard. This is normal and not a cause for concern. Whenever you open the fuel filler cap, turn it slowly. o Make sure the fuel filler cap is replaced and securely seated after fueling. Failure to replace or fully seat the fuel filler cap will result in fuel vapors escaping into the atmosphere and the check engine " " indicator illuminating. o Do not "TOP-OFF" after the first nozzle shut off when refueling. o Automotive fuels are flammable/explosive materials. When refueling, please note the following guidelines carefully. - Before touching the fuel nozzle or fuel filler cap, have one's hands in contact with metal parts away from the filler neck to discharge static electricity. - Do not get back in the vehicle while refueling. Do not operate anything that can produce static electricity. Static electricity discharge can ignite fuel vapors resulting in an explosion. - When using a portable fuel container, be sure to place the container on the ground while refueling. Static electricity discharge from the container can ignite fuel vapors causing a fire. While starting refueling, contact should be maintained until the filling is complete. - Do not use cellular phones around a gas station. The electric current or electronic interference from cellular phones can ignite fuel vapors causing a fire. - When refueling, always turn the engine off. Sparks by engine compartment electrical equipment can ignite fuel vapors causing a fire. After refueling, check to make sure the fuel filler cap is securely closed, and then start the engine. - Do not smoke or try to light cigarettes around a gas station. Automotive fuels are flammable.