Hyundai Equus: Theft-alarm system - Keys - Features of your vehicle - Hyundai Equus 2009-2022 Owners ManualHyundai Equus: Theft-alarm system

This system helps to protect your vehicle and valuables. The horn will sound and the hazard warning lights will blink continuously if any of the following occurs:

- A door is opened without using the Smart Key.
- The trunk is opened without using the Smart Key.
- The engine hood is opened.

The alarm continues for 30 seconds and the alarm will repeat once more, then the system resets. To turn off the alarm, unlock the doors with the Smart Key.

The Theft Alarm System automatically sets 30 seconds after you lock the doors and the trunk. For the system to activate, you must lock the doors and the trunk from outside the vehicle with the Smart Key or by pressing the button on the outside of the door handles with the Smart Key in your possession. The hazard warning lights will blink and the chime will sound once to indicate the system is armed.

Once the security system is set, opening any door, the trunk, or the hood without using the Smart Key will cause the alarm to activate.

The Theft Alarm System will not set if the hood, the trunk, or any door is not fully closed. If the system will not set, check the hood, the trunk, or the doors are fully closed.

Do not attempt to alter this system or add other devices to it.


  • Do not lock the doors until all passengers have left the vehicle. If the remaining passenger leaves the vehicle, the alarm will be activated.
  • If the vehicle is not disarmed with the Smart Key, open the doors by using the mechanical key and turn the Engine Start/Stop Button to the ON position.
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