[Full OBD2 Functions] This CR3008 Plus OBD2 Scanner has the professional-grade OBD2 functions you need to help fix the cause of your engine light. It can pinpoint the cause of warning lights, provide accurate and fast results, it's your time and money saver [Car diagnostic scanner functions include]: Read and Clear DTC, view Freeze fe, read I/M readiness, Retrieve vehicle info, Live data,Built-in DTC library, test, ON-Board Monitor Test ,O2 sensor test, EVAP test [Checking Car Engine Tool]This scan tool can read and erase the trouble codes that can cause e-mission problems in your vehicle in seconds, determine check engine light the MIL (check your car engine) and reset the monitor, build a DTC lookup library you can find the related code definitions to help you determine if your car needs repair [One Key I/M Readiness]The Diagnostic Code Reader Tool has a convenient I/M shortcut button for one-k querying to check if the I/M function is ready, making it more convenient and efficient. hotkey gives even a beginner an operation boost [Data Record/Reviw/Report/ Print]The Review & Print option allows you to save or print diagnostic reports as needed,helps you avoid blind maintenance, saving money and time make diagnostic easily