Hyundai Sonata: Use of MTBE - Fuel requirements - Introduction - Hyundai Sonata Owners ManualHyundai Sonata: Use of MTBE

HYUNDAI recommends avoiding fuels containing MTBE (Methyl Tertiary Butyl Ether) over 15.0% vol. (Oxygen Content 2.7% weight) in your vehicle.

Fuel containing MTBE over 15.0% vol. (Oxygen Content 2.7% weight) may reduce vehicle performance and produce vapor lock or hard starting.

CAUTION

Your New Vehicle Limited Warranty may not cover damage to the fuel system and any performance problems that are caused by the use of fuels containing methanol or fuels containing MTBE (Methyl Tertiary Butyl Ether) over 15.0% vol. (Oxygen Content 2.7% weight.)

    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 ...

    Do not use methanol
    Fuels containing methanol (wood alcohol) should not be used in your vehicle. This type of fuel can reduce vehicle performance and damage components of the fuel system. ...

    See also:

    Specifications
    Technical information about your Mazda. ...

    Opening the fuel filler lid
    The fuel filler lid must be opened from inside the vehicle by pushing the fuel filler lid opener button. NOTICE If the fuel filler lid will not open because ice has formed around it, tap lightly ...

    Standard display
    •► Press and hold the button on the steering wheel until the Trip menu with odometer 1 and trip odometer 2 is shown. ...