BIOMETRICAL DEVICE FOR TURNING ON A ROAD VEHICLE AND RELATIVE ROAD VEHICLE

Road vehicle (1) comprising an ignition system (6) for the powertrain system (5) comprising in turn a luminous device (7) integral with the passenger compartment (3) of the road vehicle (1) and comprising a biometric detector (8) configured to enable the system (6) to identify, by means of biometric readings, a driver entitled to drive the vehicle (1) to switch from an off configuration to an on configuration of the road vehicle (1) and vice versa; the luminous device (7) comprising a display device (27) configured to at least partially assume a first colour and a second colour; wherein the display device (27) is configured to switch from the first colour to the second colour when the movable part (9) switches from the off configuration to the on configuration and vice versa when the movable part (9) switches from the on configuration to the off configuration.