

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) Service Manual: Audio Remote Control Components and Components Location
Components
1. Left Remote Control Switch (Audio + Hands free)2. Right Remote Control Switch(Cruise+Trip Computer)
...
Hyundai Elantra AD (2016-2020) Service Manual: Basic Service Symbols
General Information
There are five primary symbols used to complement
illustrations. These symbols indicated the materials to be applied to
parts during service.
SymbolMeaningDo not reuse the part. Replace a new one.Apply engine oil or transmission oil to the part.Apply automatic transmis ...