Garage door opening system for vehicle

A vehicle-based door opening system for opening a door at a building, the door being openable by a door opening device, which is operable in response to a domestic hand held garage door opener transmitting unit associated with the door opening device, said vehicle-based door opening system comprising:

• a vehicle-based transmitting unit positionable at the vehicle and operable to transmit a first signal, said vehicle-based transmitting unit being operable to transmit said first signal to control at least one vehicle-based accessory, said at least one vehicle-based accessory comprising at least one of a vehicle door locking mechanism, a truck release mechanism, a vehicle ignition and an illumination source of the vehicle;
• and
• an actuating device positionable at or near the door opening device and operable to receive said first signal from said vehicle-based transmitting unit, said actuating device being configured to receive the domestic hand held garage door opener transmitting unit associated with the door opening device and being operable to mechanically actuate the domestic hand held garage door opener transmitting unit in response to said first signal from said vehicle-based transmitting unit, the domestic hand held garage door opener transmitting unit transmitting a second signal in response to actuation of the domestic hand held garage door opener transmitting unit by said actuating device to actuate the door opening device to open or close the door, said second signal being inoperable to control said at least one vehicle-based accessory.