Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and tailgate) and even start the engine.
1. Door Lock
2. Door Unlock
3. Tailgate Unlock
4. Panic
Hyundai Tucson (LM) 2010-2015 Service Manual: Valve Body Description and Operation
Description
The valve body is essential to automatic transaxle control
and consists of various valves used to control the oil feed from the oil
pump.
Specifically, these valves consist of pressure regulator
valves, oil redirection valves, shift valves, and manual valves. ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Mechanical key
Turn the key toward the rear of the vehicle to unlock and toward the front of
the vehicle to lock.
If you lock the door with a key, all vehicle doors will lock automatically. From
the driver’s door, turn the key to the right once to unlock the driver’s door and
once more within 4 second ...