In the scene where you choose to go to map select, vehicle select, start race etc... type
                                  ENABLE(quickly) to be given access
                  to all tracks and vehicles. You can now use all of the other cheats in the game... 

              First of all, when the race starts use F4 to cycle through the modes untill CHEAT MODE
                                    appears. Then all the following
                                     cheats will become availiable: 

                                       F5 -Total repair (free).
                                   F6 -Toggle Invulnerability on/off.
                                   F7 -Adds 30 seconds to the timer.
                                      F8 -Freeze/Unfreeze timer
                                     F10 -Increment lap counter
                                    F11 -Earn 5000 credits instantly
                 F12 -Switch between each opponents camera and your own. External view only. 

                                 SHIFT-F6 -Show opponents on map.
                                 SHIFT-F7 -Adds 300 seconds to timer.
                       SHIFT-F8 -Toggle shadow between none/your car only/all cars.
                               SHIFT-F10 -Increment checkpoint counter
                                SHIFT-F11 -Lose 5000 credits instantly

                         CTRL-F8 -Toggle shadow between solid(faster)/translucent.
                                  CTRL-KEYPAD 1 -Toggle fly mode
            -Use normal movement keys. Keypad 5 places you on the ground(still flying). Keypad 9 and 6
                                       changes the cars pitch.

                                    Power-ups(still in cheat mode)

                                            0 -Bonus
                                          1 -Mega bonus
                                    2 -Pedestrians glued to ground.
                                        3 -Giant pedestrians.
                                      4 -Explosive pedestrians.
                                           5 -Hot rod.
                                        6 -Turbo pedestrians.
                                         7 -Invulnerability.
                                          8 -Free repairs.
                                         9 -Instant repairs.

                                       SHIFT-0 -Timer frozen.
                                    SHIFT-1 -Underwater ability.
                                       SHIFT-2 -Time bonus.
                                 SHIFT-3 -Oh dear, body work trashed
                                     SHIFT-4 -Blow yourself up
                                     SHIFT-5 -Frozen opponents
                                       SHIFT-6 -Frozen cops
                                     SHIFT-7 -Turbo opponents
                                       SHIFT-8 -Turbo cops
                                 SHIFT-9 -Gravity has gone strange???

                                        ALT-0 -Pinball mode
                                        ALT-1 -Wall climber
                                     ALT-2 -Bouncey-Bouncey
                                   ALT-3 -Oh dear, jelly suspension!
                                  ALT-4 -Pedestrians shown on map.
                                 ALT-5 -Pedestrian extro-bastard ray.
                                       ALT-6 -Greased tyres
                                   ALT-7 -Acme damage magnifier

                                   SHIFT-ALT-2 -Instant handbrake
                                       SHIFT-ALT-4 -Turbo!
                                    SHIFT-ALT-5 -Mega-Turbo!!
                 SHIFT-ALT-6 -Blind pedestrians (to be used in conjunction with horn for a laugh)
                                  SHIFT-ALT-7 -Pedestrian respawn
                                SHIFT-ALT-8 -5 free recovery vouchers.
                                   SHIFT-ALT-9 -Solid granite car!

                                       CTRL-0 -Rock springs!
                                         CTRL-1 -Drugs!
                                     CTRL-2 -Grip-o-matic tyres
                                     CTRL-3 -Pedestrian Harvest