we also worship the vehicle, once in a year with the belief that the goddess protects us from any mishap. Some people do the vehicle worship (puja) at the temple, and some at home. The vehicle is given a proper wash, before that.
This is the first time I hear about this traditon. I have faith in God, but nowadays I do not have any religion, although I was raised in Christianity. I even have the Bible (in Hungarian), which says something like do not worship anything except God.
But even without the Bible, worshipping vehicles still sounds a little bit weird and even surprising. I really did not heard anyone worshipping vehicles. But of course I respect everyone's culture and tradition.
Hopefully the Goddess protects you from any mishap.
I wish you all the best. Greetings from Hungary.