In Drag Racer v3 how do i change cars in the underground mode?

i go to my garage and i theres nothing there but it says i have 11 cars..In Drag Racer v3 how do i change cars in the underground mode?
It is most likely the website, i was playing on addicting games and the same thing happened and also some rims didn't show, but then i went to a different website:



http://www.gamesbarrel.com/games/2019/drag-racer-3.html



and now it works fine, also to get you ahead put your new username as unclepeanuts and put it on easy, you will get 5 mill and also stuff is unlocked.