Driver Assistance System
7-66
Limitations of Intelligent Speed
Limit Assist
Intelligent Speed Limit Assist may not
operate properly, or it may operate
unexpectedly under the following
circumstances:
• 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
damaged
- The road sign is partially obscured
by surrounding objects or shadow
- A road sign near the road you are
driving is detected
• 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
- There is no conditional road signs
on the road sign located on the exit
road
- A sign is attached to another vehicle
• The distance between the vehicle and
the road signs is too far
• The vehicle encounters illuminant
road signs
• Intelligent Speed Limit Assist
incorrectly recognizes numbers in the
street signals or other signs as the
speed limit
• The minimum speed limit sign is on
the road
• The brightness changes suddenly, for
example when entering or exiting a
tunnel or passing under a bridge• Headlamps are not used or the
brightness of the headlamps are weak
at night or in the tunnel
• Road signs are difficult to recognize
due to the reflection of sunlight, street
lights, or oncoming vehicles
• The navigation information or GPS
information contain errors.
• The driver does not follow the guide
of the navigation.
• The driver is driving on a new road
that is not in the navigation system
yet.
• The field of view of the front view
camera is obstructed by sun glare
• Driving on a road that is sharply
curved or continuously curved
• Driving through speed bumps, or
driving up and down or left to right on
steep inclines
• The vehicle is shaking heavily
• Driving on a newly opened road
Information
For more details on the limitations of the
front view camera, refer to “Forward
Collision-Avoidance Assist (FCA)” section
in this chapter.
: $ 5 1 , 1 *
• Intelligent Speed Limit Assist is a
supplemental function that helps the
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correct speed limit or control the
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Driver Assistance System
7-92
Smart Cruise Control disabled
OTM070115N OTM070115N
When the front radar cover or sensor
is covered with snow, rain, or foreign
material, it can reduce the detecting
performance and temporarily limit or
disable Smart Cruise Control.
If this occurs the ‘Smart Cruise Control
disabled. Radar blocked’ warning
message will appear for a certain period
of time on the cluster.
Smart Cruise Control will operate properly
when snow, rain or foreign material is
removed.
: $ 5 1 , 1 *
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Q R W D S S H D U R Q W K H F O X V W H U 6 P D U W &