Add a driver to a vehicle (Driver tab)

Open the ‘Vehicles’ menu: https://abax.cloud/central/assets/vehicles or find it from ‘Admin > Vehicles’. 
Select the vehicle from the list.
Select the ‘Driver tab’ and choose the driver from the list, you’ll be able to see if the driver is already connected to an alternative vehicle.
To add a new driver, see ‘Add a new driver’ here