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.)

    See also:

    High Mounted Stop Light
    If the light bulb is not operating, have the vehicle checked by an authorized Hyundai dealer. ...

    Breaking in your new Hyundai
    No formal "break-in" procedure is required with your new Hyundai. However, you can contribute to the economical operation and durability of your Hyundai by observing the following recomme ...

    Sonata 2.0T in the Market
    Base, four-cylinder midsize sedans make up the bulk of sedan sales for all automakers today, as buyers are shopping on value more than performance in this segment. Hyundai has already found succes ...