Hyundai Elantra: 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 Elantra AD (2016-2020) Owners Manual: Paddle shifter
The paddle shifter is available when the shift lever is in the D (Drive) position or the manual shift mode. With the shift lever in the D position The paddle shifter will operate when the vehicle speed is more than 6 mph (10 km/h). Pull the [+] or [-] paddle shifter once to shift up or down ...

Hyundai Elantra AD (2016-2020) Owners Manual: Warning and System Control
Blind-Spot Collision Warning (BCW) system First stage alert If a vehicle is detected within the boundary of the system, a yellow warning light will illuminate on the outer side view mirror. If the detected vehicle is no longer within the blind spot area, the warning will turn off according ...

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