The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.
Active ECO operation
Limitation of Active ECO operation: Changing the Format of the Map
Display the map in one of the following
formats:
A two-dimensional map with the
direction you are traveling toward the
top of the screen.
A two-dimensional map with north
toward the top of the screen.
A three-dimensional map with the
direction you are traveling toward the
front.
Zoom ...
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 ...