It is a real cute little car! But please go back and edit your post with properly formatted code… and then perhaps ask a question as well (in reference to - //Need to improve code// )… or are you just showing it to us?
Also, MORE DETAILS PLEASE what are you using for motors and controller that small??
EDIT - OK, I guess I could have watched until the end of the video before asking
But please go back and edit your post with properly formatted code… and then perhaps ask a question as well 
(in reference to - //Need to improve code// )… or are you just showing it to us?
what are you using for motors and controller that small??