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.

  • The road sign is partially obscured by surrounding objects or shadow

  • When signs are bent or installed at an angle

• 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 vehicle

• The distance between the vehicle and the road signs is far

• The vehicle encounters illuminating road signs

• When signs are installed high above the road

• When vehicle speed is too high, not allowing enough time for sign recognition

• Intelligent Speed Limit Assist incorrectly recognises 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

• When turn signals are frequently used in lanes adjacent to an exit ramp

• When driving too close to the vehicle ahead

• The minimum speed limit sign is misrecognised

• 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

• The field of view of the front view camera is obstructed by sun glare

• Road signs are difficult to recognise due to the reflection of sunlight, streetlights, or oncoming vehicles

• The navigation information or GPS information contains errors.

• When communication with the map server is unstable

• The driver does not follow the guide of the navigation.

• 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 new road

• When driving on a road under construction.

• When the navigation software updates during driving