When you move the shift lever to the R (Reverse) position, the side view mirror(s) will rotate downwards to aid with driving in reverse. The position of the side view mirror switch (1) determines whether or not the mirrors will move:
Left/Right : When either the L (Left) or R (Right) switch is selected, both side view mirrors will move.
Neutral : When neither switch is selected, the side view mirrors will not move.
The side view mirrors will automatically revert to their original positions if any of the following occur:
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description
The immobilizer system will disable the vehicle unless the
proper ignition key is used, in addition to the currently available
anti-theft systems such as car alarms, the immobilizer system aims to
drastically reduce the rate of auto theft.
1.
Transponder (TP) – IMMO ECU Comm ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
1. Front bumper cover 2. Front bumper side bracket [LH]3. Front bumper side bracket [RH]
...