What the sound signals mean

Updated October 14, 2026

The security system reports its state with siren signals. From the signal, you can tell whether the car is armed, whether authorization succeeded and whether settings were saved.

Arming and alarm

Signal	When you hear it	What it means
1 short	When locking the car	The car is armed
2 short	When unlocking the car	The car is disarmed
3 short	When locking the car	The car is armed, but a door, the hood or the trunk is open. Close it
Continuous	While armed	Alarm: a door was opened, or the body was hit or tilted. The siren sounds for 20 seconds

You can turn off the arming and disarming signals in the app: Car → Advanced settings → Arm / disarm sounds.

Authorization and the Service button

Signal	What it means
Authorization tune	The driver is authorized with an AirID tag, a PIN code or the PUK code. You can drive off
A short beep for each press of the Service button	The system is counting the presses
1 short beep, then the authorization tune	Service mode is on
2 short beeps, then the authorization tune	Service mode is off
Long beep	Error: for example, the combinations didn't match when changing the PIN code

Learn more: How to turn on service mode, How to change your PIN code.