[Package Included]: 2PCS Air Conditioning Knob Trims.  [Easy to Install]: Align it with the air conditioner knob, and press it in place. Designed according to the size of the original car, does not affect the use of the original car.

[Easy to Install]: Adhesive tape is attached on the back of the decorative ring, just peel off the tape, align the air vent and stick it, no extra tools are needed.

Red light:White wire: groundRed wire: brake lightBlack wire: running light White light:White wire: groundRed wire: reverse light (bright)Black wire: reverse light (dim)

Red light:White wire: groundRed wire: brake lightBlack wire: running light White light:White wire: groundRed wire: reverse light (bright)Black wire: reverse light (dim)

Red light:White wire: groundRed wire: brake lightBlack wire: running light White light:White wire: groundRed wire: reverse light (bright)Black wire: reverse light (dim)

[Easy to install] Simply place the Dash Cover on the dashboard. The non-slip backing ensures it will stay in place. You can also use the attached double-sided tape to hold it stay in place.