Vehicle safety check is a procedure mandated by the government for state safety inspection. In which a vehicle is inspected to ensure that it complies with regulations governing safety, emissions, or both. Inspection can be required at periodically or on transfer of title to a vehicle. Smog CheckRoads and maritime services maintain vehicle safety check and certification schemes to make sure that all vehicles meet minimum safety requirements. Most vehicles require an inspection before registration renewal. Smog Inspections and emissions safety check are usually included in this process. Inspections may vary according to vehicle types.