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 through the air intake hose. Inside the crankcase, the fresh air mixes with blow-by gases, which then pass through the PCV valve into the induction system.
See also:
Fan speed control
The ignition switch must be in the ON position for fan operation.
The fan speed control knob allows you to control the fan speed of the air flowing
from the ventilation system. To change the fan ...
2012 Hyundai Elantra Review By Anthony Crawford
I’ve just driven a 42km loop in the base model Elantra Active with a
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Gasolines for Cleaner Air
To help contribute to cleaner air, Hyundai recommends you use gasolines treated
with detergent additives, which help prevent deposit formation in the engine. These
gasolines will help the engine r ...