Custom cars
Start a new game and begin a race. Hold [L] +
[R] on controller two before the cars begin to move to display
the customize car screen. Use controller two to adjust the various
options that include autoshift, car height, drag coefficient,
acceleration coefficient, maximum G-force, or scrub rate. Additionally,
press [A] on controller two to jump over traffic if enough
speed has been accumulated.
Turbo
Press [A] on controller two.