The Insurance Services Office (ISO), an industry ratings bureau that analyzes data and statistics about vehicles, determines symbols that are used to provide insurance carriers with information about a vehicle’s theft susceptibility, safety features, and repair costs; this information is then used to establish auto insurance premium rates. All vehicles are assigned symbols based on such factors as size, body construction, horsepower, and loss experience. Each make and model receives two symbols—one covering bodily injury and property damage and another applying to medical payment coverage.