Q. My internal battery only lasts 3 seconds to a minute!

That is normal. The Rexing Dash Cam was designed to be plugged into the car at all times, or hard wired. The internal battery is only meant for emergency situations.


Q: Can I use a 64GB or 128GB memory card?

A: Yes, please make sure the memory card is SDHC/SDXC Class 10 or upper, and use the dash cam to format the memory card.


Q: Why aren’t the  64GB or 128GB memory cards working on my dash cam?

A: Please use the dash cam to format the memory card. Press MENU twice, and use the MIC button to scroll down to Format


Q: Why am I having trouble inserting the memory card?

A: Please use a coin push the memory card to all the end, the card will lock in place.


Q: Why does my dash cam stop recording after a few minutes?

A: Firstly, please make sure loop recording setting is not OFF. Second, this may because of bad memory card, please try a different SDHC/SDXC Class 10 memory card.


Q: Why is there no motion detection/parking monitor function on my dash cam?

A:  You need to update the firmware on your dash cam. Please go to firmware.rexingusa.com and update to Expert version firmware, we always recommend stable version firmware.


Q: How many minutes of video will a 32 GB card record in this unit?

A: For 3 minutes 1080p video, it will take about 300MB space, 32GB card can take about 320 minutes video which equals to 5.3 hours.


Q: My unit has a black screen and the OK button is blue but the unit will not power on?

A: Please go to firmware.rexingusa.com and download the LAST STABLE VERSION of firmware. When firmware is installed onto the SD card, (while unit is off) insert card into camera and connect to car charger. Hold down the power button for 5 seconds. Wait 10 seconds and then press the power button again for 5 more seconds. Let the unit sit connected to the car charger for a few minutes and it will automatically power itself on. Once it’s on, format your card again using the camera.


Q: Why my unit keeping rebooting?

A: Your dash cam battery may be depleted, please charge your dash cam for 3 hours, make sure unit is off while charging.


Q: How do I format the SD card?

press Menu new1 new2 13680431_1196549603731366_6497549492557756410_o done format