1Police cars are emergency vehicles that are part of many emergency situations. From car crashes to crimes, police cars may drive up. And children are often quite excited to see them on the street! Still, it's important to know that when the sirens are going and lights are flashing, the police car is carrying people on their way to help in some way. Age-appropriate detail and language convey the importance of police cars as an emergency vehicle, what is found in a car, and who drives them. Full-color photographs satisfy readers who love vehicles.