Curtain air bags are located along both sides of the roof rails above the front and rear doors.
They are designed to help protect the heads of the front seat occupants and the rear outboard seat occupants in certain side impact collisions.
The curtain air bags are designed to deploy during certain side impact collisions, depending on the crash severity.
The side and curtain air bags on both sides of the vehicle may deploy if a rollover or possible rollover is detected.
The curtain air bags are not designed to deploy in all side impact or rollover situations.
WARNING
To reduce the risk of serious injury or death from an inflating curtain air bags, take the following precautions:
Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Service Point Target Auto Calibration (SPTAC)
This procedure provides a way to calibrate the camera by
having the service technician align the car to a well lit simulated
straight road target; preferably wall mounted.
The LKAS camera will have a "System Out of Calibration" DTC set if not ope ...
Hyundai Elantra AD (2016-2020) Service Manual: ESC OFF Switch Description and Operation
Description
1.
The ESC OFF switch is for the user to turn off the ESP system.
2.
The ESC OFF lamp is on when ESP OFF switch is engaged. ...