If you have been signaled by a police officer to stop, you should pull over and stop the car. The reason a police officer has pulled you over is either you have broken a law, or they have reason to believe you have broken a law. Being pulled over allows police offer to determine if any laws have been violated or not, and what to do next.
A police officer will likely ask you questions in order to obtain more information to determine if you are guilty of committing an office or not. According to Ontario traffic laws, you will need to show proof that you are legally allowed to drive (a driver’s licence) and ownership of the vehicle (registration).