See also:

1. Crankcase emission control system
The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies fresh filtered air to the crankcase th ...

Performance
The Sonata Hybrid has a 166-horsepower, 2.4-liter four-cylinder engine and a 30-kilowatt electric motor that produce a combined 206 hp. This is a common setup for a hybrid, though the Sonata Hybri ...

Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate for your convenience. The light will go off after about 30 seconds when the door is closed. ...