How to solve hoverheart dirt quad, atv can not move when turn on

help customer to solve problem. hoverheart dirt quad , atv 500w can turn on, but can not move, please see video solution.

[@rdbrdb-he9hn]

Biggest piece of crap you can purchase, terrible customer service. Purchased one for son for Christmas, axles bent, plastics busted, had to dispute with credit card company to get my money back