Kia Forte: CVVT (Continuously Variable Valve Timing) System Operation Principle

The CVVT has the mechanism rotating the rotor vane with hydraulic force generated by the engine oil supplied to the advance or retard chamber in accordance with the CVVT oil control valve control.

CVVT (Continuously Variable Valve Timing) System Description

Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

[CVVT System Mode]

(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

See also:

Auto Head Lamp Leveling Unit Description
According to driving environment and loading state of vehicle, head lamp lighting direction is changed to keep the driver's visibility range and to protect the driver's vision from gl ...

Seat Heater (Non-Air Ventilation) Component Location
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Interior light
Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge. WARNING - Interior light Do not use the interior lights when driving in the dark ...