See also:

Closing the hood
1. Before closing the hood, check the following: • All filler caps in engine compartment must be correctly installed. • Gloves, rags or any other combustible material must be removed from the engine ...

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 ...

2012 Hyundai Elantra review By Steven Cole Smith
Just as Hyundai did with the new Sonata -- which matches and in many ways surpasses its top competition in the midsized category, the Honda Accord and Toyota Corolla -- the Korean company is hopin ...