Intelligent Speed Limit Warning 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

• 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 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 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