Alarm System Overview
WARNING: This page is about a different variant/trim than selected.
Alarm system
The alarm is an entry protection for the vehicle. The aim is prevent anyone getting into the vehicle or manipulating the vehicle in any way without being detected.
The alarm is available in various configurations:
- Perimeter guard. This configuration includes door open sensors in the lock motors, alarm LED and siren control module (SCM) but no vehicle tilt sensor.
- Perimeter guard with Mass movement sensor module (MMS) or ultrasonic sensor module (IMS), (Ultrasonic sensor module (IMS) replaces one or two Mass movement sensor modules (MMS) from and including model year 2012 for the for S40. The Mass movement sensor module (MMS) alternatively ultrasonic sensor module (IMS) is used to detect movement inside the vehicle. Siren control module (SCM) without vehicle tilt sensor.
- Perimeter guard with Mass movement sensor module (MMS) or ultrasonic sensor module (IMS), (Ultrasonic sensor module (IMS) replaces one or two Mass movement sensor modules (MMS) from and including model year 2012). The Siren control module (SCM) with vehicle tilt sensor. The vehicle tilt sensor is used to detect changes in the vehicle's position.
Definitions:
- Deactivated: The alarm is not activated and is not protecting the vehicle
- Activated: The alarm is protecting the vehicle and will be triggered if there is an input signal from one of the sensors
- Triggered: An alarm cycle has started. The siren sounds for 25 seconds and the turn signal lamps flash for approximately 5 minutes
- Reactivated: The alarm has been triggered and an alarm cycle has been completed. If a check of the sensors in the vehicle shows that they are OK the alarm will be reactivated.