> For the complete documentation index, see [llms.txt](https://navixy.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://navixy.com/docs/user/guide/devices-and-settings/location-and-movement/tow-detection-block.md).

# Tow detection block

The **Tow detection feature**, available in many vehicle GPS devices, is designed to detect unauthorized movement based on signals from the built-in motion sensor. Once the vehicle's ignition is switched off, the sensor enters active mode, continuously monitoring for vibrations, impacts, or movement. If any of these are detected, a notification is immediately sent to the platform from the device and can be reported to the user as configured in [Rules and notifications](/docs/user/guide/events-and-notifications/security/unauthorized-movement.md).

In Navixy, you can configure this function by accessing the **Tow detection** block in the **Devices and settings** module. This panel allows you to adjust the motion sensor sensitivity and specify the time delay before detection begins.

![](/files/IwxXdA17CG6zGgKN4uQb)


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