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.
Hyundai Tucson (LM) 2010-2015 Service Manual: Radiator Repair procedures
Inspection
Radiator Cap Testing
1.
Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester.
2.
Apply a pressure of 93.16~122.58 kPa (0.95~1.25 kgf/cmx, 13.51~17.78 psi).
3.
Check for a drop in pressure.
4.
If the pressure drops, replace ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Child restraint system
WARNING
Always properly restrain children in the rear seats of the vehicle. Children
of all ages are safer when restrained in the rear seat. A child riding in the front
passenger seat can be forcefully struck by an inflating air bag resulting in SERIOUS
INJURY or DEATH.
Children under age 13 ...