Hyundai Sonata: Blind Spot Detection system / Blind Spot Detection Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper.
(Refer to Body - "Rear Bumper")
3.
Remove the BSD unit (A) after loosening the mounting nuts.

   
Take care not to separate the bracket from rear bumper when removing the BSD sensor.
Installation
1.
Install the BSD units to the rear bumper.
2.
Install the rear bumper.
3.
Connect the negative (-) battery terminal.
   
Take care not to confuse left side (master) and right side (slave) unit when installing.
BSD units connector connect to the wiring connector.
Blind Spot Detection Unit Schematic Diagrams
Circuit Diagram ...

Blind Spot Detection Switch Components and Components Location
Circuit Diagram ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Vehicle recognition
Some vehicles in your lane cannot be recognized by the radar: - Narrow vehicles such as motorcycles or bicycles - Vehicles offset to one side - Slow-moving vehicles or suddendecelerating vehicles - Stopped vehicles - Vehicles with small rear profile such as trailers with no loads A vehicle ahead ca ...

Hyundai Sonata LF 2014-2019 Service Manual: Front Door Belt Outside Weatherstrip Repair procedures
Replacement 1. Pull down front door window glass by pressing the power window glass switch. 2. Remove the front door belt outside weatherstrip (A). 3. Install in the reverse order of removal.     • Replace any damaged clips. ...

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