Complete the indicated task to unlock the corresponding Avatar Award.

Award	Task
Wreck Tee	Earn the "Been There, Got The T-shirt" achievement

Enter the online multi-player car showroom. Highlight the BMW Concept 1 Series car and press LT, RT, LT, RT.

At the Multiplayer Car Showroom, highlight the Ford Bronco, and press LT, RT, LT, RT to unlock the fully upgraded Ford Bronco.

Not so much a cheat as a really funny glitch. Save up a barge and race close to another player that is close to wrecking. Right before you cross the lap/finish line, use your barge to wreck them. If they slide over the finish while wrecked they will not get credit for the lap and have to race it again, leaving them in last place.

Enter the online multi-player car showroom. Highlight the BMW Concept 1 Series car and press L2, R2, L2, R2.

Enter the online multi-player car showroom. Highlight the Ford Bronco and press L2, R2, L2, R2.

Destroy ten street lamps and five benches consecutively.