All cameo FMV sequences: 
At the main menu, select "Features", then select "Create-a-Car". Enter "Seymore Cameos" 
as a case-sensitive name.

Unlock Dale Earnhardt: 
Win the Daytona 500 with Kevin Harvick (29 car). After winning the Daytona 500,a Thunder 
Plate will appear with Dale Earnhardt on it. Alternately, go to Lighting challenge and 
play three of them.

Unlock All-Star Race:
Reach level 16 in your EA Bio.

Unlock Bud Shootout: 
Reach level 18 in your EA Bio .

Unlock EA Bio bonuses and Various other Thunder Plates: 
Upload your EA Bio from other 2004 EA titles, such as NCAA Football 2004, March Madness 
2004, Madden 2004, etc.

Unlock Night Races:
Night tracks Go to season mode, then to "Custom Schedule". You can unlock night races 
for the day tracks.

Alternate Night Tracks: 
Win the race that has a locked version of an alternate night track on the veteran 
difficulty, 3% race length, and damage on visual only. Repeat this method on all tracks 
that have a locked version of it to unlock alternate night tracks.

Easy All Star race and Bud Shootout: 
Instead of reaching the EA Bio levels for the All-Star race and the Shootout, just race 
a season on veteran at 3 or more % race length, damage on visual only, and brake and 
steering help, and win the races.