The vehicle’s front and rear seats have adjustable headrests.The headrests 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 headrests:

CAUTION
To prevent damage, NEVER hit or pull on the headrests.
Armrest
Front seat headrestHyundai Tucson (LM) 2010-2015 Service Manual: Smart Key Repair procedures
Smart Key
Smart Key Code Saving
1.
Connect the DLC cable of GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on GDS.
2.
Select the vehicle model and then do "Smart key code saving".
3.
After selecting "Smart key teaching" menu, push "Enter" k ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Securing a child restraint with the LATCH anchors system
To install a LATCH-compatible child restraint in either of the rear outboard
seating positions:
1. Move the seat belt buckle away from the lower anchors.
2. Move any other objects away from the anchors that could prevent a secure connection
between the child restraint and the lower anchors.
3 ...