During gameplay press ESC and type in one of the following cheats, then press ESC again to activate it.

KISS Targeted vehicle destroyed
LOVE Opponents on radar destroyed
CUDDLE Invincibility for current vehicle
HUGS Invincibility for all friendly vehicles
CARESS Max Ammo
IMLAME Skip Mission
SYRUP Freeze CPU vehicles
MRFREEZE Freeze time for CPU
NUKEME Suicide