Activate the following cheats by entering the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
Toggle speedometer units - ec
Change camera position - v
Drive yellow pit car1 - car
No damage - x
No flags - noflag
Rotating map2 - r
Super wheels - bravo
Remove driver's helmet - head
View frame rate - frame 1. Do not enable this code while in the pit.
2. Press M to display the map, then enter the code. This will also downshift your car to first gear.