• Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing any work.

• Remove contamination including dirt and corrosion before removal or installation.

• Keep the parts in order and protect them from dust and dirt.

• Before removal or installation, be sure to clarify the failure. Avoid unnecessary removal, installation, disassembly and replacement.

• Be careful not to burn your hands, because each part on the vehicle is hot after running.

• Be sure to tighten fasteners including bolts and nuts to the specified torque.

• Place shop jacks or rigid racks at the specified points.

• Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from the battery.