# Engine hours

Engine hours is a tool that allows owners of vehicles and special machinery to monitor engine running time and schedule [maintenance works](/docs/user/guide/fleet-management/maintenance.md) based on this data.

To activate Engine hours:

1. Open [Devices and Settings](/docs/user/guide/devices-and-settings.md), choose the object you need, and proceed to the **Engine hours** block.
2. Click the **Add engine hours** button.
3. Choose a data source: ignition or engine hours from the CAN bus.
4. Set the initial value for engine hours.
5. Press **Save**.

{% hint style="warning" %}
To receive data from the ignition sensor, create it [beforehand.](/docs/user/guide/devices-and-settings/vehicle-sensors/discrete-sensors.md)
{% endhint %}

To display engine hours data in the **Tracking** module, add the **Engine hours widget** to the widget bar at the bottom of the screen. Just click the **+** button at the upper-right corner of the widget bar and add the **Engine hours widget**.


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