Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check S, Red
【How to Use The Tool?. Step 1: With the k~ in the ON position, the engine off. Connect the MS309 OBDII cable to the vehicle's OBDII port. 【How to get a PDF User Manual ?. com, we will send you the PDF version within 0-24 hours.
