Driver assistance system
Limitations of Intelligent Speed
Limit Assist
Intelligent Speed Limit Assist may not
operate normally, or the function may
operate unexpectedly under the follow -
ing circumstances:
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 not clear or dam -
aged
- The road sign is partially obscured
by surrounding objects or shadow
僅 A road sign near the road you are
driving is detected
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 conditional road sign is not
installed with a sign located on the
road to enter or exit
- A sign is attached to another vehi -
cle
僅 The distance between the vehicle and
the road signs is too far
僅 The vehicle encounters appearing
road signs
僅 Intelligent Speed Limit Assist incor -
rectly recognises numbers in the
street signals or other signs as the
speed limit
僅 The minimum speed limit sign on the
road is recognised incorrectly
僅 A lot of signs are installed together
Intelligent Speed Limit Assist (ISLA)
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 Road signs are difficult to recognise
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 The driver is driving a new road that is
not in the navigation system yet.
僅 The field of view of the Front view
camera is obstructed by sun glare
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 There is an error in the navigation
map information or GPS information
僅 The driver does not follow the guide
of the navigation
僅 Driving on a new road
僅 When the navigation software
updates during driving
僅 When the navigation system reboots
during driving
WARNING
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.
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