When selecting Vehicles or Devices you can find the search bar at the top of the screen. By entering information (below) you can search for a device specifically on the account.
Once you see what you are looking for you can select it in the drop down.
Searching devices in Vehicles
Able to search by: Vehicle name, Customer name, Account number, Vin, Make, Model, Device Serial number
Searching devices in Devices
Able to search by: Organization, Device SN, Device type