To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the defroster button ().
4. The outside (fresh) air position will be selected automatically.
If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.
If the position is selected, lower
fan speed is adjusted to a higher fan speed.
To defrost outside windshield
1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot (HI) position.
3. Press the defroster button ().
4. The outside (fresh) air position will be selected automatically.
Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group).
3.
Disconnect the injector connector (A).
4.
Remove the installation bolt (B), and then remove the sensor from ...
Hyundai Sonata LF 2014-2019 Owners Manual: In Case of an Emergency While Driving
If the Engine Stalls While Driving
Reduce your speed gradually, keeping a straight line. Move cautiously off
the road to a safe place.
Turn on your hazard warning flasher.
Try to start the engine again. If your vehicle will not start, contact an
authorized HYUNDAI dealer or seek other qualif ...