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 to the driving conditions of the vehicle.

â– Left side

â– Right side
Second stage alert
A warning chime to alert the driver will activate when:
1. A vehicle has been detected in the blind spot area by the radar system AND.
2. The turn signal is applied (same side as where the vehicle is being detected). When this alert is activated, the warning light on the outer side view mirror. Will also blink. And a warning chime will sound.
If you turn off the turn signal indicator, the second stage alert will be deactivated. If the detected vehicle is no longer within the blind spot area, the warning will turn off according to the driving conditions of the vehicle.
WARNING
CAUTION
System Setting and Operation
Detecting Sensor. Warning messageHyundai Elantra AD (2016-2020) Service Manual: Rear Seat Cushion Cover Components and Components Location
Component Location
1. Rear seat cushion cover
...
Hyundai Elantra AD (2016-2020) Service Manual: Battery Sensor Repair procedures
Removal
1.
Disconnect the battery negative (-) cable.
2.
Disconnect the battery sensor connector (A).
3.
Remove the battery negative (-) cable after removing the bolts (B).
Installation
1.
Install in the reverse order of removal.
Battery sensor cable installation bolt :
10.8 ~ ...