The A/C MAX mode is used to cool the inside of the vehicle more quickly. Air flow is directed toward the upper body and face.
In this mode, the air conditioning and the recirculated air position will be selected automatically.
After the vehicle interior has cooled down initially, resume using normal A/C mode. Continuous use of A/C MAX mode is not recommended.
Hyundai Sonata LF 2014-2019 Owners Manual: Heated Steering Wheel
When the ignition switch is in the ON position or when the engine is running,
press the heated steering wheel button to warm the steering wheel. The indicator
on the button will illuminate.
To turn the heated steering wheel off, press the button again. The indicator
on the button will turn off.
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Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) 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 ...