$10,000,000:
     Enter  the  [Edit  Driver]  screen, then enter "Walmart" as first
name and "NASCAR" as a last name. Both names are case-sensitive.

Exclusive Track (Lakeshore Drive):
     Enter  the  [Edit Driver] screen, then enter "Walmart" as a first
name and "Exclusive" as a last name. Both names are case-sensitive.

Unlock Dale Earnhardt Sr.:
     Enter  the [Edit Driver] screen, then enter "The" as a first name
and "Intimidator" as a last name. Both names are case-sensitive.