General Safety Information and CautionHyundai Elantra AD (2016-2020) Service Manual: Ignition Switch Assembly. Repair procedures
Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the steering column upper & Lower shroud.
4.
Remove the ignition switch (A) and disconnecting the Key Warning / immobilize ...
Hyundai Elantra AD (2016-2020) Owners Manual: Detecting Sensor. Warning message
The rear radars are located inside the rear bumper for detecting the side and
rear areas. Always keep the rear bumper clean for proper operation of the system.
NOTICE
The system may not work properly when the bumper has been damaged, or
if the rear bumper has been replaced or repaired.
...