Hyundai Elantra HD: Unleaded - Gasoline engine - Fuel requirements - Introduction - Hyundai Elantra HD 2006–2010 Owners ManualHyundai Elantra HD: Unleaded

Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 or highter.

Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize exhaust emissions and spark plug fouling.

CAUTION CAUTION

Never add any fuel system cleaning agents to the fuel tank other than what has been specified. (Consult an authorized Hyundai dealer for details.)

WARNING WARNING

  • Do not "top off" after the nozzle automatically shuts off when refueling.
  • Tighten the cap until it clicks, otherwise the Check Engine Always check that the fuel cap is installed securely to prevent fuel spillage light will illuminate.
  • Always check that the fuel cap is installed securely to prevent fuel spillage in the event of an accident.
Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed along with or instead of leade ...