

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: TPMS Receiver Description and Operation
Description
TPMS Receiver : BCM(body control module) integrated management
1.
Mode
(1)
Virgin State
A.
The receiver as a sole part is shipped in this state. Replacement parts should therefore arrive in this state.
B.
In this state, there is no Auto-Location, no sensor wake-up, no sens ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
1. Cowl side trim 2. Front door scuff trim 3. Rear door scuff trim 4. Front pillar trim 5. Front door step trim 6. Rear door step trim 7. Center pillar upper trim 8. Center pillar lower trim 9. Rear pillar trim
...