improper angle;
4) The sign installation
position is rotated or the
sign is partially damaged.;
5) When the sign is
completely or partially
obscured;
6) When the sign is
completely or partially
covered by frost, snow,
dust, etc.;
7) The speed limit sign is too
far or too high;
8) Speed limit reminders or
signs attached to the road
surface;
9) When visibility is low (such
as rain and snow, fog, night,
etc.);
10) When strong light
illuminates the camera or
the light intensity changes
suddenly;
11) When the front windshield
around the camera is dirty,
damaged or covered;
12) When driving close to the
vehicle in front, obstructing
the detection range of the
camera;
13) Cancel the speed limit sign,
the system cannot
distinguish.
14) When the vehicle speed is
too low (＜15km/h).
Warning：
The Traffic speed limit sign
recognition function is only
used to remind the driver to
pay attention to the traffic
speed limit signs. It is not
applicable to all situations and
cannot replace the driver’s
judgment on the road speed
limit information. The driver
must always drive carefully and
comply with applicable laws
and road traffic rules under any
circumstances, and be
responsible for the safety of the
vehicle.
Warning：
The above list does not cover
all the situations that affect the
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