The alarm alerts e.g. in the event of a break-in in the car.

When armed, the alarm is triggered if:

  • a door, the bonnet or the tailgate is opened1
  • a movement is detected in the passenger compartment (if fitted with a movement detector*)
  • the car is raised or towed away (if fitted with a tilt detector*)
  • the starter battery's cable is disconnected or
  • the siren is disconnected.

If there is a fault in the alarm system, the driver display shows the symbol and the message Alarm system failure Service required. In which case, contact a workshop - an authorised Volvo workshop is recommended.


Do not attempt to repair or alter components in the alarm system yourself. Any such attempts may affect the terms of the insurance.


The movement sensors trigger an alarm in the event of movement in the passenger compartment - air currents are also registered. For this reason the alarm is triggered if the car is left with a window or the panoramic roof* open or if the passenger compartment heater is used.

To avoid this: Close the window/panoramic roof when leaving the car. If the car's integrated parking heater (or a portable electric heater) shall be used - direct the airflow from the air vents so that they are not pointing upwards into the passenger compartment. Alternatively, reduced alarm level can be used - see the section further down in this article.

Arming the alarm

Lock and arm the car alarm as follows:
  • press the remote control key's lock button
  • touch in the marked area on the outside of the door handle2 or
  • push on the tailgate's rubberised pressure plate2.

If the car is equipped with a power-operated tailgate, the button on the underside of the tailgate can also be used to lock the car and arm the car alarm.

Deactivate the alarm

Unlock and disarm the car alarm as follows:
  • press the remote control key's unlock button
  • grip one of the door handles2 or
  • push on the tailgate's rubberised pressure plate2.

Switching off a triggered alarm

Press the remote control key's unlock button or set the car in ignition position I by turning the ignition dial to START and then releasing.


  • Remember that the alarm is activated when the car is locked.
  • If any of the doors are opened from the inside then the alarm is triggered.

Alarm signals

When the alarm has been triggered, the following happens:
  • A siren sounds for 30 seconds or until the alarm is switched off.
  • The direction indicators flash for 5 minutes or until the alarm is switched off.

If the cause of alarm activation is not rectified, the alarm cycle is repeated up to 10 times1.

Lock and alarm indicator

P5-1507 Security LED (Larmindikator)

A red LED on the instrument panel indicates the alarm system's status:

  • LED not lit – alarm not armed.
  • The LED flashes once every other second – alarm is armed.
  • After the alarm has been disarmed, the LED flashes rapidly for up to 30 seconds or until ignition position I has been selected by turning the ignition dial to START and releasing it - the alarm has been triggered.

Reduced alarm level

Reduced guard means that the movement and tilt detectors can be temporarily deactivated.

Switch off the movement and tilt detectors in order to avoid accidental triggering of the alarm - e.g. if a dog is left in a locked car or during transport on a car train or car ferry. The procedure is the same as with the temporary disengaging of the deadlocks function.

P5-1646-x90-function button reduced guard

Press the Reduced guard button in the centre display's function view in order to switch off the movement and tilt detectors temporarily.

For more information, see the section "Deadlocks".

  1. * Option/accessory.
  2. 1 Applies to certain markets.
  3. 2 Only applies to a car with keyless locking/entry (Passive Entry*)