VEHICLE

A vehicle includes first unit(s), second unit(s), and an intermediate unit. The intermediate unit is configured to mediate communication between the communication device and the first unit(s) or the second unit(s), and include intermediate unit processor(s) and intermediate unit memory(ies) coupled to the intermediate unit processor(s). The intermediate unit processor(s) are configured to: when a first message including a first functional address and a predetermined command is received from a communication device, transmit the first message to the first unit(s); when a second message including a second functional address and the command is received from the communication device, transmit the first message to the first unit(s); when the first message is received from the communication device, transmit the second message to the second unit(s); and when the second message is received from the communication device, transmit the second message including the to the second unit(s).