To signal a turn, push down on the lever for a left turn or up for a right turn in position (A). To signal a lane change, move the turn signal lever slightly and hold it in position (B).The lever will return to the OFF position when released or when the turn is completed.
If an indicator stays on and does not flash or if it flashes abnormally, one of the turn signal bulbs may be burned out and will require replacement.
Onetouch turn signal function
To activate an One Touch Turn Signal function, move the turn signal lever slightly and then release it. The lane change signals will blink 3, 5 or 7 times.
You can activate or deactivate the One Touch Turn Signal function or choose the number of blinking (3, 5, or 7) from the User Settings Mode (Light) on the LCD display.
Hyundai Sonata LF 2014-2019 Service Manual: Important Safety Notice
General Information
Proper service methods and repair procedures are essential
for safe, reliable operation of all motor vehicles as well as personal
safety of the operator. The service procedures and descriptions in this
shop manual provide general directions for a service and repair.
...
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
BSD is a system that uses two magnetic wave radar sensors
attached on the rear panel to measure the distance from the following
vehicles and provides the sensing and (visual and auditory) alarm of any
vehicle coming into the blind spot.
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Blind Spot Detection (BSD) : Senses o ...