Need Help with, "change model and data" of an vehiclebody 3d based on user input

Godot Version

4.3

Question

Need help with the following. I have a car game. i want to be able to change the make and model of this VehicleBody3d node and the vehicletirenodes. Fitting the user input. and i dont now how to approch the issue. Is there any smooth way to to this any help or tipp is appreciated