Need for Speed III 

              Type the cheats below at any menu to activate the cheat.
              monkey - Allows you to use the manual transmission as if it were
              an automatic. This can be a significant advantage, since the
              manual transmissions are usually more efficient. (available in
              single player, single-race mode only).
 

              bullhorn - Makes cops use their bullhorns (Hot Pursuit mode only).
 
 

              madland - Unknown.
 

              rushhour - Race with lots of traffic on the road.
 

              empire - Race on the Empire City track.
 

              elninor - Race with the El Nino car.
 

              merc - Race with the Mercedes CLK GTR.
 

              gofast - Make your car go super fast in Single Race mode.
 

              allcars - Enable all cars including Pursuit Vehicles. jag - Race with Jaguar XJR-15.

            Type the cheats below then click RACE to drive the different non-player cars.

            go01 -Miata
            go02 -Toyota Landcruiser
            go03 -Cargo Truck
            go04 -BMW 5 Series
            go05 -71 Plymouth Cuda
            go06 -Ford Pickup with Camper Shell
            go07 -Jeep Cherokee
            go08 -Ford Fullsize Van
            go09 -64/65 Mustang
            go10 -~66 Chevy Pickup
            go11 -Range Rover
            go12 -School bus
            go13 -Taxi - Caprice Classic
            go14 -Chevy Cargo Van
            go15 -Volvo Station Wagon
            go16 -Sedan
            go17 -Crown Victoria Cop Car
            go18 -Mitsubishi Eclipse Cop Car
            go19 -Grand Am Cop Car
            go20 -Range Rover Cop Car/Ranger Vehicle
            go21 -Cargo Truck (same as 03)