Hyundai Sonata: Automatic emergency braking (AEB) / AEB front radar sensor
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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
- Do not apply foreign objects such as a bumper sticker or a bumper guard
near the radar sensor. Doing so may adversely affect the sensing performance
of the radar.
- Always keep the radar sensor and lens cover clean and free of dirt and
debris.
- Use only a soft cloth to wash the vehicle. Do not spray pressurized water
directly on the sensor or sensor cover.
- Be careful not to apply unnecessary force on the radar sensor or sensor
cover. If the sensor is forcibly moved out of proper alignment, the AEB system
may not operate correctly. In this case, a warning message may not be displayed.
Have the vehicle inspected by an authorized HYUNDAI dealer.
- If the front bumper becomes damaged in the area around the radar sensor,
the AEB system may not operate properly. Have the vehicle inspected by an authorized
HYUNDAI dealer.
- Use only genuine HYUNDAI parts to repair or replace a damaged sensor
or sensor cover. Do not apply paint to the sensor cover.
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 ...
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 Owners Manual: System malfunction
When the "Check Driver Attention Alert" warning message appears, the system is
not working properly. In this case, we recommend you to have the vehicle inspected
by an authorized HYUNDAI dealer.
WARNING
The Driver Attention Alert system is not a substitute for safe driving
practices, but a co ...
Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Belt Buckle Repair procedures
Replacement
1.
Remove the front seat assembly.
(Refer to Front Seat - "Front Seat Assembly")
2.
Remove the front seat belt buckle connector wiring harness (A).
3.
After loosening the mounting bolt, then remove the front seat belt buckle (A).
Tightening torque :
39.2 ~ 53.9 N.m (4.0 ...