To use cheat's just type them in game whatever mode your playing.

Type "wannago" To free-roam in anygame mode including split screen.

Type "adac" To repair you and any other players cars to 100% health.

Type "useshell" To make your car or buddies cars in split screen not take damage.

Type "goaway" to instantly blow up all traffic in the race or campaign.

Type "fullgarage" to unlock everycar in the game.

Type "wantstreets" to unlock all tracks/locations in the game.

These Two Cheat below only work in single player campain.

Type "johnwayne" to use your gun anytime in campain mode.

Type "eatlead" to use the machine gun in campain.

these cheats were found by erekson714

Type "needspeed" infinite nitro
found by jarin99