100,00 Sponsor Credits in Support Van
     Press L, Z, Start, L, L.

Bouncy Cars
     Press C-Up, C-Left, R, L, Down.

Chubby World
     Press Z, C-Right, L, Up, Right.

High Res Mode (Requires Expansion Pak)
     Press C-Left, C-Left, Left, L, L.

Max Champ Points in Support Van
     Press L, C-Up, Left, L, L.

No Damage or Failures
     Press L, Z, Start, Up, Up.

No Depth View
     Press Z, C-Right, R, Up, Right.

One Big Tire
     Press C-Left, Z, R, Down, Down.

Repair Power
     At the Race Description screen, press L, Z, R, L, and Start.

Speed Warp View
     Press Z, C-Left, R, Up, Right.

Speed-Based Aspect Ratio
     Press Z, C-Left, L, Up, Right.

Topsy Turvy
     Press C-Up, Z, Start, Up, Down.

Wobble Tire
     Press R, C-right, Start, Down, Z.