This indicator light illuminates:
Hyundai Sonata LF 2014-2019 Service Manual: Steering Gear box Repair procedures
Removal
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 :
88.2 ~ 107.8 N.m ...
Hyundai Sonata LF 2014-2019 Owners Manual: TPMS (Tire Pressure Monitoring System) Malfunction Indicator
The TPMS Malfunction Indicator will illuminate after it blinks for approximately
one minute when there is a problem with the Tire Pressure Monitoring System.
Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
If there is a malfunction with the TPMS, the Low Tire Pr ...