Once you have logged in correctly, select the active entity from whose account you wish to deactivate the vehicle. Logging in to OCA
Select the “Vehicles” tab from the main menu.
A panel of active vehicles will appear, click on the car registration number from the table.
A new window will then appear in which you select the “Vehicle details” tab.
Select “Deactivate vehicle” above the registration number.
Then select “Save”.