Easily Weave Through Traffic
When racing, turn either left or right and press L1. Your car will go on its side and can easily weave through traffic.
100% success rate. 

Unlock Lexus GS430 and Cadillac CTS-V
Input the following as a cheat code: rimbuk.
75% success rate. 

Unlock H1
Input the following as a cheat code: Kubmir.
0% success rate. 

Go to: Midnight Club 3: DUB Edition Info Page | nGaming Home Page.