Push the OFF button of the front to turn off the air climate control system. You can still operate the mode and air intake buttons as long as the ignition switch is in the ON position.
Hyundai Sonata LF 2014-2019 Owners Manual: Emission Control System
The emission control system of your vehicle is covered by a written limited warranty.
Please see the warranty information contained in the Owner’s Handbook & Warranty
Information booklet in your vehicle.
Your vehicle is equipped with an emission control system to meet all applicable
emissio ...
Hyundai Sonata LF 2014-2019 Service Manual: AVN Remote Controller Components and Components Location
Components
1. Left Remote Control Switch (Audio + Hands free)2. Right Remote Control Switch(Cruise+Trip Computer)
...