Hyundai Sonata: Theft-alarm stage
The alarm will be activated if any of the following occurs while the system is armed.
- A door is opened without using the transmitter (or smart key or mechanical key).
- The trunk is opened without using the transmitter (or smart key).
- The engine hood is opened.
The horn will sound and the hazard warning lights will blink continuously for approximately 30 seconds, and the alarm will repeat once more unless the system is disarmed. To turn off the system, unlock the doors with the mechanical key or transmitter or smart key.
Armed stage
Using the smart key
Park the vehicle and stop the engine. Arm the system as described below.
1.Turn off the engine.
2.Make sure that all doors, the engine hood and trunk lid are closed and latched. ...
Opening the trunk with the alarm armed (if equipped)
When the alarm is armed, the alarm will not sound if the trunk lid is opened
with the transmitter (or smart key).
Once the trunk is opened and then closed, the trunk will be locked automatically
...
See also:
Seat Heater. Components and Components Location
Component Location
...
Passenger Airbag (PAB) Module. Components and Components Location
Components
...
Illuminated engine start/stop button
Whenever the front door is opened, the engine start/stop button will illuminate
for your convenience. The light will go off after about 30 seconds when the door
is closed. ...