To lock the doors, press the Door Lock button (1) on the remote key.
Press the Door Unlock button (2) on the remote key, the driver’s door will unlock. If you press the Door Unlock button on the remote key again within four seconds, then all the doors will unlock.
Once the doors are unlocked, they may be opened by pulling the door handle.
When closing the door, push the door by hand. Make sure that doors are closed securely.
✽ NOTICE
You can change the system to the central door unlock mode (unlock all the doors when you press the unlock button one time). If you want this feature, perform the following: Unlock mode conversion (two stage unlock mode ↔ central door unlock mode)
The unlock mode changes alternately by pressing the lock button and unlock button on the remote key at the same time for 4 seconds or more. The hazard warning lights will blink four times to indicate that the mode conversion is completed
✽ NOTICE
Hyundai Tucson (LM) 2010-2015 Service Manual: Relay Box (Engine Compartment) Components and Components Location
Component Location
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Hands Free Switch Repair procedures
Inspection
1.
Check the handsfree remote control switch for resistance between No.4 and No.5 terminals in each switch position.
[Call + Hang Up]
[Voice]
[Call + Hang Up]
SwitchConnector terminalResistance (±5%) Output voltage (±0.16V)Call4-5 (Left)40.91 kx2.96VHang up4-5 (Left)18.91 kx2.64 ...