See also:

4WD lock system
4WD lock system (With Electronic Control 4WD) (If installed) This 4WD system is designed for dividing the power ratio automatically in normal driving conditions. During off-road or low-friction d ...

2011 Hyundai Sonata review by Sherrice Gilsbach
The 2011 Hyundai Sonata is a solid family sedan that offers gorgeous exterior styling and impressive gas mileage, but it lacks expressive drive-feel and is low on the fun factor. For many folks, g ...

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 ...