Arming and disarming the alarm
The alarm is armed when the vehicle is locked and disarmed when the vehicle is unlocked. The alarm can also be disarmed without a functioning key.
Arming and disarming the alarm
The alarm is armed when the vehicle is locked and disarmed when the vehicle is unlocked.
Note
It is not possible to lock the vehicle without activating the alarm.
Disarming the alarm without a functioning key
The vehicle can be unlocked and disarmed even if the key is not functioning, e.g. if its battery is discharged.
Open the driver's door using the detachable key blade.
This will trigger the alarm.
![P6-1746-XC40- Backup start place in tunnel console](https://www.volvocars.com/images/support/img1c24c668b0552e65c0a8015261c05534_1_--_--_VOICEpnghigh.png?imwidth=1280)
Place the key on the key symbol in the backup reader in the tunnel console's storage compartment.
Depress the brake pedal and select a gear.
The alarm will be disarmed.
Note
To help ensure that the key can be detected by the backup reader, make sure there are no other vehicle keys, metal objects or electronic devices (phones, tablets, laptops, chargers, etc.) in the area. These objects can interfere with its functioning.
Turning off a triggered alarm
A triggered alarm can be turned off by pushing the key's unlock button or by starting the vehicle, provided that an authorized key is on the key symbol in the backup reader in the tunnel console's storage compartment.
Press the unlock button on the key or depress the brake pedal and select a gear.