In order for the AEB system to operate properly, always make sure the radar sensor lens cover is clean and free of dirt, snow, and debris. Dirt, snow, or foreign substances on the lens may adversely affect the sensing performance of the radar.
Warning message and warning light
When the sensor lens cover is blocked with dirt, snow, or debris, the AEB system operation may stop temporarily. If this occurs, a warning message will appear on the LCD display. Remove any dirt, snow, or debris and clean the radar sensor lens cover before operating the AEB system.
NOTICE
Hyundai Sonata LF 2014-2019 Service Manual: Rear Disc Brake Repair procedures
Removal
[General Type]
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. ...
Hyundai Sonata LF 2014-2019 Service Manual: Thermostat Repair procedures
Removal
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency.
1.
Drain engine coolant so that its level would be under the thermostat height.
2.
Remove the radiator lower hose.
(Refer to Cooling System - "Radiator Hose ...