Fuel and Emissions System Description - PCV System
Positive Crankcase Ventilation (PCV) System
The PCV valve prevents blow-by gasses from escaping into the atmosphere by venting them into the intake manifold.

Fluid Locations
...
Changing the Engine Oil and Filter
Always change the oil and filter according to the maintenance messages shown
on the information display. The oil and filter collect contaminants that can damage
your engine if they are not removed ...
Evaporator Expansion Valve Replacement (With A/C)
Recover the refrigerant with a recovery/recycling/charging
station.
Remove the bolt from the A/C line clamp (A).
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