Speedway Reversed bonus track:
Hold [L] and press [X], [Square], [Triangle], [X], [Triangle], [Square] at the main menu.
Unlimited Nitro
Press the following buttons on the main menu:
[X], [Square], [Circle], [Circle], [Circle], [Triangle], [Square], [X].
Boost
Defeat Boost during story mode.
Chick
Defeat Chick during story mode.
Doc Hudson
With the Gran Prix Cup 1.
Unlock Flo
With the Gran Prix Cup 1.
Wingo
Defeat Wingo during story mode.
Unlock Mirror Cup
To unlock Mirror Cup you must collect all Postcards on Postcard Rally Mode on Story Mode.
Alternate paint colors
Beat the goal time for one of the following tracks in Time Trial mode
to unlock an alternate paint color for the indicated car.
A different color will be unlocked depending on if you finish in first, second or third place:
Chick - Beat the best time on the Speedway track
DJ - Beat the best time on the Radiator Cap Run track
Doc Hudson - Beat the best time on Mesa Ravine
Lightening McQueen - Beat the best time on the Figure 8 track
Luigi - Beat the best time on the Deisel Forest track
Mater - Beat the best time on the Desert Canyon Dash track
Sally Carrera - Beat the best time on the Radiator Springs track
Sarge - Beat the best time on the Frank\'s Field track
Sheriff - Beat the best time on the Ironhorse Junction track
Snot Rod - Beat the best time on Turbine Canyon
Wingo - Beat the best time on the Interstate track