Options:

HOME - Active Trainer

Numpad1 - Maximum Engine Power (Hold "Shift")
Numpad2 - Super Brake (Hold "Ctrl")
Numpad3 - Freeze Opponents
Numpad4 - Mega Points / Fast Level-Up
Numpad5 - Freeze Timer (Only Time Remaining)

TELEPORT:
PageUp - Save Location
PageDown - Teleport
End - Undo Teleport

Note:
--Activate "Max Engine Power" then hold "Shift"
--Activate "Super Brake" then hold "Ctrl"