The sensors are located inside of the rear bumper.
Always keep the rear bumper clean for the system to work properly.
WARNING
✽ NOTICE
Kia Cee'd JD Owners Manual: The LDWS may not warn you even
if the vehicle leaves the lane, or
may warn you even if the vehicle
does not leave the lane when
The lane is not visible due to snow, rain,
stain, a puddle or many other things.
The brightness of the outside changes
suddenly.
Not turning on the headlight even at
night or in the tunnel.
Difficult to distinguish the color of the
lane from the road.
Driving on a steep grade ...
Kia Cee'd JD Service Manual: Front Door Side Weatherstrip Repair procedures
Replacement
1.
Detach the clips, then remove the front door side weatherstrip (A).
2.
Install in the reverse order of removal.
...