Please follow the below steps to map vehicles to parking lot.
1) Go to Complex->Settings and click on “Manage parking lots”. Then click on “enable” button associated with the first setting – “Enable parking lot mapping”.
2) Upon enabling above setting, go to Directory->Vehicles and click on “Map parking lot with unit” button. Fill in the details as per your requirement and click on “create mapping” button.
This ensures that a given parking lot is mapped to one flat.
You can also bulk upload this mapping by clicking ‘Upload mapping’ button on Vehicle Directory screen.