If your driver is unable to find any available shuttles, there could be two reasons:
No shuttles have been created yet
The existing shuttles are all claimed by other drivers
To create a shuttle, click here.
To unassign a driver, you can enlarge the map view to locate your drivers and stores. Click on the blue arrow on the left-hand side of the map to expand the map view:
If you click on the blue pin next to a specific vehicle, you will be able to view and track the vehicle and the driver assigned to it:
To unassign a driver from a vehicle, click on the red button next to the specific vehicle, then confirm that you want to unassign the driver: