Plug the rear camera connecting cable into the front unit, run the cable along the headliner, and straight down the length of the car to the A, B, and C pillars.
Carefully remove the side weatherstrip from the front and rear doors. Use the trim removal tool to lift the pillar trim slightly, and remove any mounting clips under the pillar by gently pulling the panel cover.
Remember, don’t just stuff the cable under the rubber seal because it will create a little gap that might prevent the door from sealing properly - you will get wind noise, or worse, water can seep into the car.
When you get to the rear windshield, route the cable along the rear windshield headliner until you get to the rear camera.
Plug the connecting cable into the rear camera and power on your car to turn on the dash cam. Once your BlackVue DR900X Plus is powered on, turn on WiFi on the dash cam and connect it to the dash cam using the app to check the angle of the front and rear cameras and adjust as needed.
Use the Live View feature to check the viewing angle of the front and rear cameras and adjust if needed.