1Refer to instructionsTo prevent personal injury or damage to vehicles and/or thediagnostic tool, read this instruction manual first and observe thefollowing safety precautions at a minimum whenever working on avehicle: Always perform automotive testing in a safe environment. Wear safety eye protection that meets ANSI standards. Keep clothing, hair, hands, tools, test equipment, etc. away from allmoving or hot engine parts. Operate the vehicle in a well-ventilated work area: Exhaust gasesare poisonous. Put blocks in front of the drive wheels and never leave the vehicleunattended while running tests. Use extreme caution when working around the ignition coils,ignition wires and spark plugs. These components createhazardous voltages when the engine is running. Put the transmission in PARK (for automatic transmission) orNEUTRAL (for manual transmission) and ensure that thehandbrake is applied.