See also:

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 ...

Performance
There's a lot to like about the turbo drivetrain, with its 274 horsepower and six-speed automatic transmission, but before I talk about power I should say that the Sonata 2.0T really shines becaus ...

Air intake control
  This is used to select outside (fresh) air position or recirculated air position. To change the air intake control position, push the control button. Recirculated air position   ...