To access RFL go to the Navigator Main Menu and select Vehicles. On the drop down menu that appears select Vehicle Parameter Maintenance.
On the window that appears select the RFL button at the top of the window. The following window will appear:
To amend a current a RFL highlight the required line and the details will appear to the right-hand side of the window. Change the required details then press enter.
To create a new RFL click the Add New button. This will blank the all the fields - fill in the required fields and press enter.
Select the blue Save button to save the changes made.