CONTROL SYSTEM AND OPERATION METHOD FOR VEHICLE

A control system for vehicle includes a function controller (30), a key (20) pairing with the function controller (30) and taking control of the function controller. A portable device (10) broadcasts an instruction to the key (20) and if the pairing is validated, the device (10) pairs with the key (10). The key (20) can receive instructions and have the function controller (30) control the vehicle according to instructions. The present disclosure also discloses an operation method of a control system for vehicle.