You need to update the maintenance schedule of each service contract depending on the vehicle mileage or the last maintenance date.
On the ‘Vehicles’ page, click the ‘Menu’ button next to the appropriate vehicle, and then click ‘Service Contracts’
On the ‘Service Contracts’ view, click the ‘Edit’ button next to the service contract.
On the ‘Maintenance Schedule’ tab of the ‘Service Contract’ view, enter the next maintenance mileage or the next maintenance date, and then click ‘Save’