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.
Hyundai Elantra AD (2016-2020) Service Manual: Front Door Module Repair procedures
Replacement
1.
Remove the front door window glass.
(Refer to Front Door - "Front Door Window Glass")
2.
Remove the front door outside handle.
(Refer to Front Door - "Front Door Outside Module")
3.
Loosen the front door outside handle base mounting bolt (A).
Tightening torque :
2.0 ...
Hyundai Elantra AD (2016-2020) Service Manual: Seat Heater Components and Components Location
Component Location
[Front Seat Heater (Non-Air ventilation)]
[Front Seat Heater (Air ventilation)]
[Rear Seat Heater] ...