Hyundai Sonata: Automatic emergency braking (AEB) / AEB front radar sensor

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

AEB warning message and system control
The AEB produces warning messages and warning alarms in accordance with the collision risk levels. Also, it controls the brakes in accordance with the collision risk levels. Forward Warning (1st war ...

System malfunction
When the AEB is not working properly, the AEB warning light () will illuminate and the warning message will appear for a few seconds. After the message disappears, the master warning light () ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Rear Door Inside Handle Repair procedures
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Hyundai Sonata LF 2014-2019 Owners Manual: Checking the Engine Coolant Level
WARNING Never remove the radiator cap or the drain plug while the engine and radiator are hot. Hot coolant and steam may blow out under pressure, causing serious injury. Turn the engine off and wait until the engine cools down. Use extreme care when removing the radiator cap. Wrap a thick towel ...

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