I put it into several cars. You have to look that your car has central lock, put the key in the companion's lock and you have to open everything, there are tests that there is an electric motor at the driver's door.
If you have the driver's door, you uncover the driver's door panel, the engine leaves 3 or 4 cables pelas a little or click sewing pins.
Boarding example: Black and red joints open, black and blue closes, blue and red does nothing. Thus you identify the (common). In automation stores there are some remote control kit for cars the expensive carries engines to put on and the varato only receiver and controls.
Or you go to an automatism store for garage doors and ask for a 12V continuous channel receiver <- size can be in one hand and it is more varato than what they sell for cars) and a couple of controls.
Well Conesions: They usually have 5 terminals (op)/(ap) Open <-Without cutting the cable of the door example red.
(CL)/(CH) Close blue example. (c) Community Example The Black.
and food ( +) and ( -) 12v <-fijate which is + and you take it to a point + of the vehicle and -to the chassis or a cable -.
If you do not buy the expensive automation pak with engines and there are in the instructions splices how to put the engines and others.
The nomenclatures (op) are Open and (AP) is open <- Many of these things bain in Italian.