
The rear seats are equipped with head restraints in all the seating positions for the passenger's safety and comfort.

Adjusting the height up and down (if equipped)
To raise the head restraint:
1. Pull it up to the desired position (1).
To lower the head restraint:
1. Push and hold the release button (2) on the head restraint support.
2. Lower the head restraint to the desired position (3).

Removal/Reinstallation (if equipped)
To remove the head restraint:
1. Raise the head restraint as far as it can go.
2. Press the head restraint release button (1) while pulling the head restraint up (2).
To reinstall the head restraint:
1. Put the head restraint poles into the holes (3) while pressing the release button (1).
2. Adjust the head restraint to the appropriate height.
Front seat head restraints
Seat WarmersHyundai Elantra AD (2016-2020) Service Manual: Spark Plug Specifications
Specification
ItemSpecificationTypeELR9IQP9+Gap0.8 ~ 0.9 mm (0.0314 ~ 0.0354 in.)
...
Hyundai Elantra AD (2016-2020) Owners Manual: Automatic Climate Control System
To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the defroster button ().
4. The outside (fresh) air position will be selected automatically.
If the outside (fresh) air position is not selected automatically, adjust the
corresponding button man ...