At the title screen press L1, R2, Triangle, Circle, X quickly. You will hear a laughing sound press "start" and go to "TWO PLAYER" now the "Vantage" car will be available.
Type in LEMKE at the enter name screen for extra tall pedestrians.
Slippery Track Both 2 00 Agent:
Knock out all 11 fire hydrants on the 'Gimme a Brake' Mission (the mission must also be completed). All track surfaces are as slippery as soap. The user will have difficulty controlling their vehicle. Discover and activate New York's alternate sprinkler systems.
No Radar in Two-Player Mode:
Beat the "Ambush" mission with at least 85% health on the "Agent" difficulty setting.
Beat the pre-mission on the "Agent" difficulty setting with a time less than 1:30 to view the pre-mission replay
Thanks to Revolution readers Ben, themos69, Chris Mathews and Bernabe Murguia!