Known issue with the current Steam build (Pre-Alpha v0.1.0.4369)
Currently if you go into the garage (the "Change Car" screen) to select a different car, using that car will cause in-game glitching and horrible slow-down of the game when repairing. This is the case for every car chosen except Twister. As a work-around to this known bug, if you want to change cars, take the following steps:
- Go the the Change Car screen
- Select a car (hit Return, and you'll see that car as your choice on the Grid screen)
- Go back (Esc) until you're at the Main Menu
- Exit the game
- Re-run the game.
The car you selected previously will have been stored by the game, so you can go straight to a race without having to enter the Change Car screen, and the bug will be avoided.
15-03-2014 Update: This issue has now been resolved with the "Hot Fix" applied in Pre-Alpha v0.1.0.4406.