Method for transmitting a function command between a motor vehicle and an off-vehicle device and interface device and system

摘要

The invention relates to a method for transmitting a function command (11) between a motor vehicle (3) and a vehicle external device (4), wherein the function command (11) via a communication connection between the motor vehicle (3) and the device (4) providing external interface device (2) is transmitted, and provided by the interface device (2) an interface (9) by which a plurality of valid function commands (10) is provided, wherein the function command (11) with the plurality of valid function commands (10 ) is compared and the function command (11) is forwarded only if this function command (11) is interface compliant, wherein the function command (11) between the motor vehicle (3) and the device (4) is transmitted only via the interface (9).