1. Ensure the power cable is firmly and fully attached.
2. Make sure the socket of your vehicle's auxiliary power outlet is clean and free of corrosion or deformation.
3. Make sure the power cable is firmly and fully seated in the auxiliary power outlet.
4. Ensure that the car fuse for the auxiliary power outlet has not tripped.

Turn off the dash cam and remove the Micro SD card from the device. Using a card reader, insert the Micro SD card into your computer. You can then transfer files from the Micro SD card onto your computer.
Note: Do not insert or remove the Micro SD card while it is saving or reading data. The data may be damaged or lost. Only insert or remove the Micro SD card when the dash cam is turned off.

Please make sure that both the front and rear camera lenses are clean and are free from fingerprints or smudges.
Please clean both lenses using an approved lens cleaning solution, or with rubbing alcohol. Ensure that you have removed the protective film off the lens.
Make sure the windshield around the camera lens is clean and free of dirt and debris. Both inside and outside of the vehicle.

Option 1: Restart the dash cam by pressing and holding the Power Button to turn the unit off. Press it again to turn the unit back on.
Option 2: Using a pin, press the Reset Button. The device will turn off and turn back on automatically.

Step 1: Double-check to be certain that a Micro SD card is inserted into the device.
Step 2: Please replace the new Micro SD card or format the Micro SD card.

Option 1: In the NexiGo Dash Cam manual, navigate to Setting ＞ Storage ＞Format Micro SD Card
Option 2: Using a computer or laptop, follow the instructions provided by the OS manufacturer to format a disk.

Please go to the preview interface and check if you can see the image from the rear camera.
1. If yes, please verify whether the red trigger wire on the rear camera extension cable is electrically tied to the reversing lamp positive lead.
2. If not, please check all of the connections leading to rear camera to ensure that the camera is plugged into the system. Or reboot the device. If it still doesn't work, please contact our after-sales service.