Subaru Forester: Alarm system / Alarm system operation

When the alarm system is armed, it is triggered by the opening any of the doors, the rear gate or engine hood. The alarm system will activate the following alarms when triggered.

  • The vehicle’s horn will sound for 30 seconds.
  • The hazard warning flashers will flash for 30 seconds.

If any of the doors, the rear gate or engine hood remains open after the 30-second period, the horn will continue to sound for a maximum of 3 minutes. If the door, rear gate or engine hood is closed while the horn is sounding, the horn will stop sounding with a delay of up to 30 seconds.


The alarm system can be set to trigger the illumination of the following interior lights.

  • Map lights (illuminates only when the door interlock switch is in the “DOOR” position)
  • Dome light (illuminates only when the dome light switch is in the “DOOR” position)
  • Cargo area light (illuminates only when the cargo area light switch is in the “DOOR” position)

The notifications regarding the map lights, dome light and cargo area light are deactivated as the factory setting. A SUBARU dealer can activate the system. Contact your SUBARU dealer for details.

    Alarm system


    Arming the system

    The alarm system becomes armed when the following operation is performed. Close all windows and the moonroof (if equipped) and turn the ignition switch to the “OFF” position...

    Other information:

    Subaru Forester 2019-2023 Owners Manual: List of warnings


    Subaru Forester 2019-2023 Owners Manual: Starting the engine

    NOTE All vehicle doors (including rear gate) and the engine hood must be closed prior to activating the remote engine start system. Any open entry point will prevent starting or cause the engine to stop. The remote engine start system is activated by pressing the fob button on your remote engine starter transceiver (fob) twice within 3 seconds...


    Warning screen

    Subaru Forester. Warning screen

    Example of warning

    If there is a warning message or a maintenance notification, it will appear on this screen. Take the appropriate actions based on the messages indicated.

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