Car moves with character and help

I’m trying to make this car move with the characters but only the characters do and the overlay stays in the same play
Can anyone tell me how to fix it please🥺

Here is Joseph Evans Youtube video about it, feel free to ask me if you need further help! :blush:

It’s the videos that I used to but it doesn’t work. I don’t know if it because it is in ink or if I did something wrong