This article is from the Final-Fantasy and other Square Soft Games FAQ, by email@example.com (Nick Zitzmann) with numerous contributions by others.
If continuing the stage didn't work, or if you wish to skip stages, the
game has a built-in stage select code.
In either Highway Star/Rad Racer or Rad Racer II, get to the demo
screen. Press the B button while still on this screen to increase the
Now, here's the trick: There are 16 tachs on the tachometer, and eight
stages in both games. To get to the stage number you wish, multiply that
stage's number by two and enter that amount on the tachometer using the
(For instance: Entering two on the tachometer takes you to stage 1, four
takes you to stage 2, sixteen takes you to stage 8, etc.)
To complete the stage select, press Start while holding up and right on
the control pad. You should now be in the stage that you selected by
playing with the tachometer during the demo!