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Driving your vehicle Intelligent Speed Limit Assist (ISLA)
Limitations of Intelligent Speed
Limit Assist
Intelligent Speed Limit Assist may not
operate properly, or it may operate
unexpectedly under the following cir
-
cumstances:
僅 The road sign is contaminated or
indistinguishable
- The road sign is difficult to see due
to bad weather, such as rain, snow,
fog, etc.
- The road sign is partially obscured
by surrounding objects or shadow
僅 The road signs do not conform to the
standard
- The text or picture on the road sign
is different from the standard
- The road sign is installed between
the main line and the exit road or
between diverging roads
- A sign is attached to another vehi
-
cle
僅 The distance between the vehicle and
the road signs is far
僅 The vehicle encounters appearing
road signs
僅 Intelligent Speed Limit Assist incor
-
rectly recognizes numbers or pictures
in the street signs or other signs as
the speed limit
僅 A road sign near the road you are
driving is detected
僅 Multiple signs are installed close
together
僅 Other Auxiliary signs or commercial
signs are placed around the speed
limit signs.
僅 The minimum speed limit sign is mis-
recognized
僅 The minimum speed limit sign is on
the road
僅 The brightness changes suddenly, for
example when entering or exiting a
tunnel or passing under a bridge
僅 Headlamps are not used or the bright
-
ness of the headlamps are weak at
night or in the tunnel
僅 The field of view of the front view
camera is obstructed by sun glare
僅 Road signs are difficult to recognize
due to the reflection of sunlight, street
lights, or oncoming vehicles
僅 The navigation information or GPS
information contain errors.
僅 The driver does not follow the guide
of the navigation.
僅 Driving on a road that is sharply
curved or continuously curved
僅 Driving through speed bumps, or driv
-
ing up and down or left to right on
steep inclines
僅 The vehicle is shaking heavily
僅 Driving on a newly opened road
僅 The navigation is updated whilst driv
-
ing
僅 The navigation is restarted whilst driv
-
ing
僅 Intelligent Speed Limit Assist is a sup
-
plemental function that helps the
driver to comply with the speed limit
on the road, and may not display the
correct speed limit or control the driv
-
ing speed properly.
僅 It is the responsibility of the driver to
keep the speed limit.
僅 When initializing (rebooting) the cam
-
era or restarting the vehicle, the func
-
tion may not operate for
approximately 15 seconds.
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