Reset: Due to the protection of the factory for the computer board of the Wheel Steering Motor. When the Wheel Steering Motor cannot be adjusted to retract or rotate during testing, please press the "reset button" to reset the computer board. "Less than" "": Retract or Rotate the Wheel Steering Motor. Power supply: 12V 8A Screen:Show work voltage or current of the tester. Support to connect to other diagnostic scanner to check the real-time data for Wheel Steering Motor. Power supply: Need to connect to the power supply about 12V 1A, the better is equal 2A. Support to connect other device: PL008 can connect to the other diagnostic tools, for example, OBD scanner, etc. Button Function: Long press the button to control the rotation of the EPS motor. You can take it easy to rotate EPS motor, control the direction of rotation of the and its speed. Fitment: For A4 B8, 8k2 (2011-2015) For A4 B8, 8K5 (2011-2015) For A5 8T3 (2011-2017) For A5 Sportback 8TA (2011-2017) For A5 8F7 (2013-2015) For A6 8R (2011-2017) For Q5 8R (2012-2017) For 8K (2011-2017) Colour:Red-Black Material:Plastic Package Contents: 1 x Steering machine tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.