Type in these codes on the main menu in order to activate each car.
BUS = School Bus (I suggest you try using the pioneer engine on the Bus for some real speed!)
SEMI = Tractor Trailer
VWFB = Volkswagen Fastback
VWBUG = Volkswagen Beetle
VANAGON = Volkswagen Van
MIATA = Mazda Miata
BMW = BMW
MERCEDES = Mercedes-Benz
VOLVO = Volvo Station Wagon
ARMYTRUCK = Mercedes Unimog Army Truck
SNOWTRUCK = Mercedes Unimog Snow Truck
JEEPYJ = Jeep
YJLANDCRUISER = Toyota Landcruiser
QUATTRO = Audi Quattro
PIONEER = Give all cars better engines, brakes and handling
COMMANCHE = Comanche Pick-up Truck
HOLLYWOOD = Get the secret track
REDRACER = Get the secret Ford Indigo concept car
DRIVE29 = Tour Bus
DRIVE30 = Limo
DRIVE31 = Citroen 2CV
DRIVE36 = Wheel barrel
DRIVE37 = Out house
DRIVE38 = T-Rex
DRIVE39 = Western wagon
DRIVE40 = Souvieneer Stand 1
DRIVE41 = Souvieneer Stand 2
DRIVE42 = Souvieneer Stand 3
DRIVE43 = Log
DRIVE44 = Wooden crate
DRIVE45 = Monorail
DRIVE46 = Hover cop car
DRIVE47 = UFO
DRIVE48 = Hover sewage truck
DRIVE49 = Snow covered wooden box