The mode selection button controls the direction of the air flow through the ventilation system.
Air can be directed to the floor, dashboard outlets, or windshield. Five symbols are used to represent Face, Bi-Level, Floor, Floor-Defrost and Defrost air position.
Face-Level (B, D, F)
Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct the air discharged from the outlet.
Bi-Level (B, D, C, E, F)
Air flow is directed towards the face and the floor.
Floor-Level (A, C, D, E)
Most of the air flow is directed to the floor, with a small amount of the air being directed to the windshield, side window defrosters, and side vents.
Floor & Defrost (A, C, D, E)
Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters, and side vents.
Defrost-Level (A, D)
Most of the air flow is directed to the windshield with a small amount of air directed to the side vents.
Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Back Cover Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver or use a prying trim
tool, wrap it with protective tape, and apply protective tape around the
related parts, to prevent damage.
•
Us ...
Hyundai Sonata LF 2014-2019 Service Manual: CVVT (Continuously Variable Valve Timing) System Description and Operation
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 speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...