

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:
Side air bags
How Does the Air Bag System Operate?Hyundai Elantra AD (2016-2020) Owners Manual: System Setting and Operation
System setting
• Setting Blind-Spot Safety function
The driver can activate the systems by placing the ignition switch to the ON
position and by selecting 'User Settings → Driver Assistance → Blind-Spot Safety
→ Rear Cross-Traffic Safety'. The RCCW turns on and gets ready to ...
Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
General Inspection
After or before servicing the EPS system, perform the
troubleshooting and test procedure as follows. Compare the system
condition with normal condition in the table below and if abnormal
symptom is detected, perform necessary remedy and inspection.
Test Conditions Symp ...