Unlock H1
Input the following as a cheat code: Kubmir.
100% success rate. 

Unlock Lexus GS430 and Cadillac CTS-V
Input the following as a cheat code: rimbuk.
100% success rate. 

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

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