See also:

2011 Hyundai Sonata review by G. Chambers Williams III
Among them is the newest generation of Hyundai's midsize sedan, the Sonata, now available in dealerships as an early 2011 model. The South Korean automaker introduced the new model to automotive j ...

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 ...

Recommended Oil
The engine oil quality should meet the following classification. API Service SM* or above, ILSAC GF-4 or above * If the API service SM engine oil is not available in your country, you are able t ...