Hyundai Santa Cruz Owners & Service Manuals

Hyundai Santa Cruz: Intelligent speed limit assist (ISLA) / Intelligent Speed Limit Assist Malfunction and Limitations

Intelligent Speed Limit Assist malfunction

When Intelligent Speed Limit Assist is not working properly, the ‘Check Speed Limit system’ warning message appears on the cluster for several seconds, and the master () warning light illuminates on the cluster. If this occurs, have the vehicle inspected by an authorized HYUNDAI dealer.

Intelligent Speed Limit Assist disabled

When the front windshield where the front view camera is located is covered with foreign material, such as snow or rain, it can reduce the detecting performance and temporarily limit or disable Intelligent Speed Limit Assist. If this occurs, the ‘Speed limit system disabled. Camera obscured’ warning message appears on the cluster.

Intelligent Speed Limit Assist will operate properly when snow, rain or foreign material is removed.

If Intelligent Speed Limit Assist does not operate properly after it is removed, have the vehicle inspected by an authorized HYUNDAI dealer.

WARNING

Even though the warning message or warning light does not appear on the cluster, Intelligent Speed Limit Assist may not operate properly due to limitations of the function.

Limitations of Intelligent Speed Limit Assist

Intelligent Speed Limit Assist may not operate or may not provide correct information 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
  • 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 or pictures in the street signs or other signs as the speed limit
  • A road sign near the road you are driving is detected
  • Multiple signs are installed close together
  • The minimum speed limit sign is misrecognized
  • 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 chapter 7.

WARNING

  • Intelligent Speed Limit Assist is a supplemental 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 driving speed properly
  • Always set the vehicle speed under the speed limit in your country.
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