Activating and deactivating alarms
The alarm is activated when the car is locked, and is deactivated when the car is unlocked. It is also possible to deactivate the alarm without a working key.
Deactivate the alarm without a functioning key
The car can be unlocked and disarmed even if the key does not work, e.g. if the key's battery is dead.
Open the driver's door with the detachable key blade.
The alarm is triggered.
![PS-1926-Backup start place in tunnel console](https://www.volvocars.com/images/support/img4510d384a74a625ac0a80152772274e5_3_--_--_VOICEpnghigh.png)
Place the key on the key symbol in the backup reader in the tunnel console's cup holder.
Turn the start knob clockwise and release it.
The alarm is deactivated.
Switching off a triggered alarm
Press the key's unlock button or set the car in ignition position I by turning the start knob clockwise and then releasing.