Unlimited money
 
 Complete the Normal GP mode game (all classes) and allow the credits
 to complete. Then, save the game in a new slot. Play Extra GP mode,
 class 1, and select the only car available. Select the "Race Start"
 option and press Start during the countdown prior to the start of the
 race. Select the "Retire" option to quit without using an attempt.
 Now enter Normal GP mode again, and select class 1 for unlimited
 money. 
 
 Reversed tracks
 
 Select the "Race Start" option and hold L1 + R1 + Select + Start
 until the race begins. Then, the track will be a mirror image of the
 originally selected track. 
 
 Additional paint colors
 
 While painting your logo, move the pointer out of the painting area.
 Then, hold L1 + L2 + R1 + R2 + Select. Now additional boxes labeled
 R, G, and B will appear on the right side of the painting area. The
 numbers represent the amount of that hue (red, green, or blue) for
 the specific color on which the cursor is resting. Press Left or
 Right and R1 + Up or R1 + Down to change colors. Repeatedly tap
 Select when the RGB boxes are on the screen to display the guide
 markers in the painting area. 
 
 Paint zoom
 
 Move the cursor onto the painting area and press L1 + L2 + R1 + R2 +
 Select. A targeting cross-hair will appear in the smaller picture
 view area. 
 
 Rotate logo
 
 Keep the cursor in the logo painting area and hold L1 + R1 + D-pad to
 rotate and flip your logo.
 
 Rear view mirror
 
 Pause the game and press Triangle + L1 or Triangle + R1 to remove the
 rear view mirror. Repeat the code to restore the mirror.
 
 Alter track view
 
 While in the track select screen, press L1 + R1 to spin the car and
 track faster or slower.
 
 Alter car view
 
 While in the car select screen, press L2 + R2 to steer the front
 wheels. 
 
  Game Shark Codez:
 
                     
  Joker Command       
  D007BE48 ????
                     
  Infinite Money      
  8019C610 C9FF
  8019C612 3B9A
                     
  Infinite Race Tries 
  801E3FFA 0005
                     
  Always Place 1st    
  8009E53C 0001
                     
  Infinite Time       
  8009ACA4 06C5
                     
  Nitro Boost [Note]  
  D01E4072 0020
  8009E52E 0FFF
                     
  Grand Prix          
                     
  Have ERRISO         
  801E4C50 0100
                     
  Have ABEILLE        
  801E4C58 0100
                     
  Have PEGASE         
  801E4C60 0100
                     
  Have ACCERON        
  801E4C70 0100
                     
  Have BAYONET        
  801E4C78 0100
                     
  Have HIJACK         
  801E4C80 0100
                     
  Have FATALITA       
  801E4C88 0100
                     
  Have ISTANTE        
  801E4C90 0100
                     
  Have GHEPARDO       
  801E4C98 0100
                     
  Have VAINQURE       
  801E4CA0 0100
                     
  Have BULLDOG        
  801E4CA8 0100
                     
  Have SQUALDON       
  801E4CB0 0100
                     
  Extra Grand Prix    
                     
  Have ERRISO         
  8019C620 0100
                     
  Have ABEILLE        
  8019C628 0100
                     
  Have PEGASE         
  8019C630 0100
                     
  Have ACCERON        
  8019C640 0100
                     
  Have BAYONET        
  8019C648 0100
                     
  Have HIJACK         
  8019C650 0100
                     
  Have FATALITA       
  8019C658 0100
                     
  Have ISTANTE        
  8019C660 0100
                     
  Have GHEPARDO       
  8019C668 0100
                     
  Have VAINQURE       
  8019C670 0100
                     
  Have BULLDOG        
  8019C678 0100
                     
  Have SQUALDON       
  8019C680 0100
                     
 Note: Release the gas and press Circle for a Nitro Boost.