1. Launch the "Police Car Stunt Simulation 3D" game from your mobile device to begin your stunt-driving adventure.

2. Choose your favorite police car from the available selection. Each car has unique speed and handling characteristics.

3. Tap the start button to enter the 3D stunt environment filled with ramps, buildings, and obstacles.

4. Use the on-screen joystick or tilt controls to steer the car left or right.

5. Tap the accelerator pedal on the screen to speed up and use the brake button to slow down or reverse.

6. Perform high-speed jumps by driving at full speed up the ramps and over obstacles spread throughout the city.

7. Aim to hit buildings, break glass, and crash through barriers to cause maximum destruction.

8. Roam freely around the open 3D city environment to explore new stunt areas and hidden paths.

9. Keep an eye on your fuel gauge—drive fast and break things before your fuel runs out.

10. Unlock and try different police cars to enjoy new experiences and enhanced destruction abilities.

11. Repeat stunts, create chaos, and enjoy the thrill of being a rule-breaking cop in a lawless city.