Hyundai Sonata: Gasoline containing alcohol and methanol - Fuel requirements - Introduction - Hyundai Sonata YF 2011-2019 Owner's ManualHyundai Sonata: 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 leaded or unleaded gasoline.

Do not use gasohol containing more than 10% ethanol, and do not use gasoline or gasohol containing any methanol. Either of these fuels may cause drivability problems and damage to the fuel system. Discontinue using gasohol of any kind if drivability problems occur.

Vehicle damage or drivability problems may not be covered by the manufacturers warranty if they result from the use of:

1. Gasohol containing more than 10% ethanol.
2. Gasoline or gasohol containing methanol.
3. Leaded fuel or leaded gasohol.

"E85" fuel is an alternative fuel comprised of 85 percent ethanol and 15 percent gasoline, and is manufactured exclusively for use in Flexible Fuel Vehicles. E85 is not compatible with your vehicle. Use of E85 may result in poor engine performance and damage to your vehicle's engine and fuel system. HYUNDAI recommends that customers do not use fuel with an ethanol content exceeding 10 percent.

CAUTION

Your New Vehicle Limited Warranty does not cover damage to the fuel system or any performance problems caused by the use of E85 fuel.

CAUTION

Never use gasohol which contains methanol. Discontinue use of any gasohol product which impairs drivability.

    Fuel requirements
    Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance ...

    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. CAUTION Your New Vehicle L ...

    See also:

    Power window lock button
    The driver can disable the power window switches on a front and rear passenger door by pressing the power window lock button located on the drivers door to the LOCK position (pressed). ...

    Roof Trim. Repair procedures
    Replacement Sunvisor Replacement When prying with a flat-tip screwdriver, wrap it with p ...

    Child-protector rear door lock
    The child safety lock is provided to help prevent children from accidentally opening the rear doors from inside the vehicle. The rear door safety locks should be used whenever children are in th ...