INFORMATION ON THE TOLL SERVICES HUNGARY In the distance-based HU-GO electronic toll system in Hungary toll is required to be paid for all cargo vehicles and towing vehicles with a maximum permissible gross weight exceeding 3.5 tonnes, tractors (including semitrailer towing vehicles), and all articulated vehicle combinations consisting of such a motor vehicle and a towed trailer or semi-trailer. The toll must be paid on expressways and some main roads. The electronic HU-GO system is a satellite-based toll system (GNSS). Specifications for the toll service Hungary (HUgo) can be found under: https://www.hu-go.hu/articles/category/news Service specific changeable parameters In the toll service Hungary (HUgo) the driver has to update the following parameters on the OBU according actual state: • Trailer axles Please note the following when axles changing: After an axle change in Hungary (and only in Hungary) the OBU transmits the change to the backend. Normally the answer from the backend will arrive quickly. But if it takes longer than 15 seconds (e.g. due to bad GPRS connection) the OBU will turn red and shows the warning message “Axles changed. Transmission running.”. In this case the driver has to wait until the OBU turns green and the warning message disappears before he can continue his drive.