Vehicle tilts forward

Hi I want to know the reason my vehicle tilts forward.
I want to use carla ros bridge, so i have to add my vehicle in vehiclefactory. I can’t understand why vehicles does work normally at not basevehiclepawn but wheeledvehicle.

I decided lots of comparison options with other example vehicle but it isn’t wokring.

This link is a list of videos for understanding my issue.

https://drive.google.com/drive/folders/1UqecRwRg7tatYo5KGO-QZQ7QcWtG6SiU

THANKS for reading.