[Matej_]

I need some help, I want to add some objects to a car, but i don't know how should i get the car posistion.

Example: I need to put a object on car's roof or doors .. How should i get a pos. of the roof or doors?

[MadeMan]

If you mean AttachObjectToVehicle, then you just need to try which coordinates are best.

Try with 0.0, then 0.2, then 0.4 and so on.