See also:

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. ...

Cruise Control System
The cruise control system allows you to program the vehicle to maintain a constant speed without resting your foot on the accelerator pedal. This system is designed to function above approximately ...

Fuel lines, fuel hoses and connections
Check the fuel lines, fuel hoses and connections for leakage and damage. Have an authorized HYUNDAI dealer replace any damaged or leaking parts immediately. ...