It looks great so far.
I can help with the first issue. Below is a photo showing the interior of the cabin. Indeed, the steering wheel is huge. You can check the places where the foot pedals and the steering column are mounted. This is a photo of exactly the same vehicle numbered 451 [S] 48.
Source:
www.czerwonesamochody.com, where "Czerwone Samochody" means "Red Cars".