Kia Optima: Positive Crankcase Ventilation (PCV) Valve. Description and OperationOperation Principle

Repair proceduresHAC (Hill-start assist control)
Hill start Assist Control is a comfort function. The main intend is to prevent
the vehicle from rolling backwards while driving off uphill on an inclined surface.
HAC holds the braking pressure bu ...
Inspection
1.
Check the condenser fins for
clogging and damage. If clogged, clean them with water, and blow them with
compressed air. If bent, gently bend them using a screwdriver or pliers.
...
[Safety Up/Down]
...