Build up the brick multiplier to activate the super car.Complete all Firefighter City Challenges.Ride each of the 4 Super Build fairground rides.Complete Chapter 10 - Back on the Case.Throw troublemakers into each other 5 times during Gang Fight Challenges.Complete all Construction City Challenges.Complete Chapter 1 - New Faces and Old Enemies.Complete Chapter 15 - Far Above the Call of Duty.Collect all Police Shield pieces in any level.
The one on the right is a Vehicle Stealing mission, where you use the Spirit red sports car. The one on the left is a Robbery Arrest mission, where you take the Justice car and chase a hoodlum.
Enter "3D74QF9", "3GCC7XR", or "N7NN4F9" as a code at the terminal between two garages in front of the police station, and the two garage doors will open.