The rear seats are equipped with headrests in all the seating positions for the passenger’s safety and comfort.
Adjusting the height up and down
To raise the headrest:
1. Pull it up to the desired position (1).
To lower the headrest:
1. Push and hold the release button (2) on the headrest support.
2. Lower the headrest to the desired position (3).
Removal/Reinstall
To remove the headrest:
1. Raise the headrest as far as it can go.
2. Press the release button (1) while pulling the headrest up (2).
WARNING
NEVER allow anyone to ride in a seat with the headrest removed.
To reinstall the headrest:
1. Recline the seatback.
2. Put the headrest poles (3) into the holes while pressing the release button (1).
3. Adjust the headrest to the appropriate height.
WARNING
Always make sure the headrest locks into position after reinstalling and adjusting it to properly protect the occupants.
Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, then put a finger over the open end
of the PCV valve and make sure that intake manifold vacuum can be felt.
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Hyundai Tucson (LM) 2010-2015 Service Manual: Oil hydraulic Motor(Actuator) Description and Operation
Description
The 4WD ECM controls the Pump Motor Pump (Actuator) to
generating an oil pressure. The pressure engages a multiple disk clutch
to transfer torque to the rear wheels. The torque to the rear wheels
varies according to the pressure on the clutch. ...