ScanTool 423001 ElmScan 5 Compact OBD-II Scan Tool and OBDwiz Diagnostic Software ( Compatible with all Windows OS programs including Windows 8 Operating System ) Read and clear trouble codes (over 7000 generic and manufacturer-specific codes), turn off check engine light, view freeze frame; display, record, and graph 90+ real-time parameters; calculates MPG Find out why your check engine light is on before visiting the mechanic; save money by fixing simple problems yourself See for yourself if your vehicle will pass smog/emissions test Easy to install and use; free license key for OBDwiz software Works with all models - year 1996 and newer cars and light trucks