1. After fixing the product, use the rocker to hide the wiring; 2. Hide from the extended the flocking opening and turn it under the seat; 3. Remove the panel under the rear exhaust outlet and pull out the connecting wire at the same time; 4. Insert the adapter connector of the product into the vehicle plug, , and then install the air outlet panel. Function: display information: speed gear, turn light, residual power, door reminder, safety belt reminder Applicable model: for model Y in 2019 and later Installation steps: Material: plastic colour: black Package Contents: 1 x Host 1 x Special cable 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.