If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
As a driver of Fire Truck you must deliver firefighters to the place of conflagration as fast as possible so they can extinguish the fire. But be careful on the streets, try not to crash your truck and do not knock down pedestrians.
Arrow Keys - Drive.
Spacebar - Brake.
M - Map.