07
7-21
•  The bumper around the front corner 
radar or rear corner radar is impacted, 
damaged or the radar is out of 
position
•  The front corner radar or rear corner 
radar is blocked by other vehicles, 
walls or pillars
•  Driving on a highway (or motorway) 
ramp
•  Driving on a road where the guardrail 
or wall is in double structure
•  The other vehicle drives very close 
behind your vehicle, or the other 
vehicle passes by your vehicle in close 
proximity
•  The speed of the other vehicle is very 
fast that it passes by your vehicle in a 
short time 
•  Your vehicle passes by the other 
vehicle
•  Your vehicle has started at the same 
time as the vehicle next to you and 
has accelerated
•  The vehicle in the next lane moves 
two lanes away from you, or when the 
vehicle two lanes away moves to the 
next lane from you
•  A motorcycle or bicycle is detected
•  A vehicle such as a flat trailer is 
detected
•  A big vehicle such as a bus or truck is 
detected 
•  A small moving obstacle such as a 
pedestrian, animal, shopping cart or a 
baby stroller is detected
•  A vehicle with low height such as a 
sports car is detected
•  The lane is difficult to see due to 
foreign material, such as rain, snow, 
dust, sand, oil and water puddles 
•  The colour of the lane marking is not 
distinguishable from the road
•  There are markings on the road near 
the lane or the markings on the road 
looks similar to the lane markings
•  The shadow is on the lane marking by 
a median strip, trees, guardrail, noise 
barriers, etc.
•  The lane number increases or 
decreases, or the lane markings are 
crossing
•  There are more than two lane 
markings on the road
•  The lane markings are complicated or 
a structure substitutes for the lines, 
such as a construction area
•  There are road markings, such as 
zigzag lanes, crosswalk markings and 
road signs 
•  The lane suddenly disappears, such as 
at the intersection
•  The lane is very wide or narrow
•  There is a kerb or road edges without 
a lane
•  The vehicle in front is driving with one 
side on the lane marking
•  The distance to the front vehicle is 
extremely short