I have by now figured out the mechanical way to switch directions of a motor’s rotation,

 

https://sd43bcca-my.sharepoint.com/:v:/g/personal/136-malrifai_sd43_bc_ca/EasOClZ5xbBLr6ywmFn440kBUM84Gt_6hNFtqqQs7ly7oQ?e=nuw3Cb

and have started to do that digitally, so I can do it remotely. I am not sure there will be enough time for rotation of car’s direction, but there will be enough to turn it into an actual car.