In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you should use, consult an authorized Kia dealer.
Seat warmer
Front seat ...
Line Pressure Control Solenoid Vale Description and Operation
Description
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Line pressure control solenoid valve is a Variable Force Solenoid (VFS) type.
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When TCM supplies variable current to solenoid valve, line pressure is controlled ...