An On Board Unit must be coupled to a vehicle in order to work.
- If you only ordered one OBU, it is automatically coupled to the vehicle you last registered.
- If you order multiple OBUs, you must couple them yourself to the vehicles you have registered.
Read this manual or watch that video to discover how to couple your OBU to a vehicle
The system is thus very flexible, as you are free to couple an OBU to a vehicle and to decouple it later to couple it to another vehicle.
Note that, when you couple your OBU to another vehicle: