Nfs carbon vets I need a little help

I started playing the game for the Drifting levels only tbh I didn't know anything bout the game except for the Drifting levels

Not the point my question is

How do you control your car in the Drifting level

And how do you tune it

And why When I tune it to be slippery af i go to a regular street race and it's just so grippy like how does it work, I am really into the game and i need a little bit of help