Infinite health, money.
Being a cop isn't easy—but you do get to drive fast and shoot stuff.
Get to the safe zone, officer—over! Use the mini-map to navigate along the way, and grab power-ups as you cruise the streets. Keep the city safe, and try not to wreck your police vehicle. These things are expensive, as you'll discover when it's time for upgrades.
Arrows = Steer
X = Accelerate
Space = Weapon