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.
The heated steering wheel will automatically turn off after approximately 30 minutes.
NOTICE
Do not install any cover or accessory on the steering wheel. The cover or accessory could cause damage to the heated steering wheel system.
Hyundai Sonata LF 2014-2019 Service Manual: Rear Stabilizer Bar Repair procedures
Replacement
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).
Be careful not to damage to the wheel cap (A) when removing the it.
3.
Remove the front wheel and tire (A) from front hub.
Tightening torque :
88.3 ~ 107. ...
Hyundai Sonata LF 2014-2019 Service Manual: Seat Heater Switch Repair procedures
Removal
[Front Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and A/C control unit.
(Refer to Heating, Ventilation and Air Conditioning - "Controller")
[Rear Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear door window switch.
...