To open the maintenance tool, either select the "Services" tab within the objects details, or by enabling the "Service" widget in Setup -> Widgets, which appears at the bottom of the map when selecting and selecting the gear icon.

Accessing the maintenance tool via object's details:

Via "Service" widget by selecting the gear icon:

After opening the maintenance tool, the following screen will appear, displaying the currect schedules added. To create a new schedule, select "Add service".

Once selected, you will be prompted to enter the following information:

Name: In this field you can add a name for the scheduled service.

Expiration by - This is used to setup an expiration when the vehicle reaches a specific interval for one of the following options.

Odometer 

Engine hours 

Days 

Interval: Setting a specific odometer, engine hours or day intervals when the vehicle is due for maintenance

Last service: Used to enter a value when the vehicle was last serviced (odometer, engine hour or date value)

Trigger event when left: A value to be entered if an alert should be triggered when there is a specific amount left before the service.

Renew after expiration: Automatically renews the service schedule.

Description: A brief description of the service.

Email/Phone number: Required if an alert needs to be sent before the vehicle's service.

To view all of the created maintenance schedules, navigate to Tools -> Maintenance