You will see motion blur like that with any dashcam at night / low light, this will not change for the forseable future.
This happen as the dashcams lower exposure timing for each frame to 1:30 second, and that do provide bright footage, but anything that move at speed sill just be a blur as it move during the 1:30 second the frame is taken.
To get a good sharp photo of anything mooving at a higher speed like a car, you need a exposure time of 1:500 second or faster, and it will be a long time before we will see that light sensitive sensors.
There is newer dashcams on the way with more light sensetive sensors, but they are only more sensetive in that they will make you able to see a little more outside the headlights of your car, and as they still drop down to 1:30 second to be able to do that it really just mean the more you see will allso be blurred by motion.
But those sensors will make the daytime where they can make good capture a little longer, but not by much i assume.
On my Lk-7500 i allso had to enter custom values for the G-sensor, but i gave up on that as i allways record so if i get bumped it will be recorded anyway, and my style of driving did still trigger eventrecordings once in a while even with custom values.
Only use i see for G-sensor is while the car is parked, for driving i dont care for it.
