See also:

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. ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

If the Engine Stalls at a Crossroad or Crossing
If the engine stalls at a crossroad or crossing, set the shift lever in the N(Neutral) position and then push the vehicle to a safe place. ...