Trunk Light Operation Guide →→▶ Watch Video Guide There is a black switch on the back of the trunk light. 1. Press the switch once to enter manual mode: tap the center of the light to turn it on or off manually. 2. Press the switch again to switch to auto mode: the light will automatically shut off when the trunk is closed; you can also turn it off by tapping manually. 3. Press and hold the back switch for 3 seconds to activate strobe mode; hold it for another 3 seconds to switch to steady-on mode. Rechargeable design, providing 30 days of operation on a single charge. Easy to install—it takes just 3 seconds to set up. This tailgate light automatically turns on and off when the tailgate opens and closes. Low power consumption and high brightness illuminate every corner of the trunk, putting an end to dim lighting inside the vehicle. Plugs directly into the vehicle's original connector for easy installation without the need to cut any wires, ensuring a long service life.