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: Cylinder Head Repair procedures
Removal
Engine removal is not required for this procedure.
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damaging the cylinder head, wait until the engine
coolant temperature drops below normal temperature (20°C [68°F])
before removin ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Coolant Repair procedures
Refilling And Bleeding
Never remove the radiator cap when the engine is hot. Serious
scalding could be caused by hot fluid under high pressure escaping from
the radiator.
When pouring engine coolant, be sure to shut the relay box
lid and not to ...