ISLW may not operate properly or may not provide correct information in the following situations.

• The traffic sign is located on a sharp curve.

• The traffic sign is improperly positioned (i.e. turned over, blocked by an object, and damaged).

• Another vehicle blocks the traffic sign.

• The LED light of the traffic sign is broken.

• There is sunlight glare around the traffic sign due to low solar altitude.

• It is dark at night.

• There is bright light around the traffic sign.

• If road signs do not correspond to the standard and etc.

• The conditional road sign is indicated by letter, not specified image such as trailer, rain or snow.

• Your vehicle drives right after another vehicle.

• The bus or truck, on which the speed sticker is attached, passes by your vehicle.

• Your vehicle drives in an area, which is uncovered by the navigation function.

• There is a malfunction with the navigation.

• Your navigation has not been updated.

• Your navigation is being updated.

• As a result of incorrect detection by the camera.

• The top speed limitations stored in the navigation function are incorrect.

• The camera is calibrated right after the vehicle is delivered.

• There is something wrong with GPS.

• If ISLW does not recognize normally vehicle status such as outside temperature, ISLW cannot display the conditional road sign instead of road sign of current road.

• The weather is bad, such as raining, snowing, and fogging.

• There is dirt, ice or frost on the front windscreen, where the camera is installed.

• The camera lens is blocked by an object, such as sticker, paper, or fallen leaf.