To lock :
1. Close all doors, engine hood and tailgate.
2. Either press the door handle button or press the Door Lock button (1) on the smart key.
3. The hazard warning lights will blink and the chime will sound once.
4. Make sure the doors are locked by checking the position of the door lock button inside the vehicle.
✽ NOTICE
The door handle button will only operate when the smart key is within 28~40 in. (0.7~1 m) from the outside door handle.
Even though you press the outside door handle button, the doors will not lock and the chime will sound for three seconds if any of the following occur:
WARNING
Do not leave the Smart Key in your vehicle with unsupervised children. Unattended children could press the Engine Start/ Stop button and may operate power windows or other controls, or even make the vehicle move, which could result in serious injury or death.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Occupant Classification System (OCS)
Your vehicle is equipped with an Occupant Classification System (OCS) in the
front passenger's seat.
The OCS is designed to detect the presence of a properly-seated front passenger
and determine if the passenger's front air bag should be enabled (may inflate) or
not. The driver's front ai ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Starter Components and Components Location
Components
1. Front bracket assembly2. Magnet switch assembly3. Lever4. Reducer assembly5. Lever stop6. Gasket sheet7. Yoke assembly8. Armature assembly9. Brush holder assembly
...