Patent ID: 6924734

Claim:
A remote control apparatus of a vehicle having an engine, the remote control apparatus comprising: a transmitter-receiver located inside the vehicle, wherein the transmitter-receiver generates a first request signal, which includes a first ID code; and a portable device, wherein the portable device generates a transmission signal in response to the first request signal and transmits the transmission signal to the transmitter-receiver, wherein the first request signal is transmitted to outside the vehicle, and wherein the transmitter-receiver includes: a determining device for determining whether the engine is operating; and a warning signal transmission device, wherein, when it is determined, by the determining device, that the engine is operating when receiving the transmission signal, the warning signal transmission device generates a first warning signal and transmits the first warning signal to outside the vehicle, and wherein the portable device includes a warning device, and wherein, when the portable device receives the first warning signal, the warning device gives a warning.