The vehicle's front and rear seats have adjustable head restraints. The head restraints provide comfort for passengers, but more importantly they are designed to help protect passengers from whiplash and other neck and spinal injuries during an accident, especially in a rear impact collision.
WARNING
To reduce the risk of serious injury or death in an accident, take the following precautions when adjusting your head restraints:

NOTICE
To prevent damage, NEVER hit or pull on the head restraints.
Armrest
Front seat head restraintsHyundai Elantra AD (2016-2020) Service Manual: Sunroof Assembly Components and Components Location
Components Location
1. Sunroof assembly
...
Hyundai Elantra AD (2016-2020) Owners Manual: Headlamp, Parking Lamp, Turn Signal Lamp and Side Marker
Type A
(1) Headlamp (High & Low)
(2) Daytime running lamp (DRL)&Parking lamp
(3) Turn signal lamp
(4) Side marker
Headlamp (Halogen bulb)
WARNING
Handle halogen bulbs with care. Halogen bulbs contain pressurized gas
that will produce flying pieces of glass that could cause i ...