Hyundai Elantra: Blind Spot Detection System / Blind Spot Detection Unit Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / 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")

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.

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: Good Driving Practices
Never move the shift lever from P (Park) or N (Neutral) to any other position with the accelerator pedal depressed. Never move the shift lever into P (Park) when the vehicle is in motion. Be sure the vehicle is completely stopped before you attempt to shift into R (Reverse) or D (Drive) ...

Hyundai Elantra AD (2016-2020) Service Manual: Rear Pillar Trim Components and Components Location
Component Location 1. Rear pillar trim ...