Get inside of a trolley, a rail station, or an elevated rail station and wait until your wanted level subsides.
When you’re in the city and your car has crashed a number of times, you can return to where you started next to Salieri's Bar and choose any car. Then, just move forward onto the street and reverse back towards the gate and choose your first car. It will be back to normal with all its doors, windows, etc.
The best way to kill the men in black is to walk behind them and shoot them with a shotgun.
To clear up the roads ahead of you, you can make traffic vanish by simply looking in your rear-view mirror--hold DOWN on the right analog stick. This works best with cars at a distance and on the connecting bridges and tunnels.
Best with a Tommy gun--aim at the center of wheels, at the lugnuts, and fire away.
To unlock the Bigfoot vehicle in Free Ride, get first place in all of the races in Racing Championship mode with any difficulty setting, and with damage either on or off.
After completing a mission, the game sometimes instructs you to return to the bar or go to Lucas' Body Shop. Complete a mission for him and he will show where to get a car--once you get the car, it will be unlocked in freeride.