Hyundai sonata Owner's Manual page 333

Detecting vehicle, pedestrian and
cyclist
The sensor may be limited when:
• The system may not operate for 15
seconds after the vehicle is started or
the camera is initialized
• The radar sensor or camera is covered
with a foreign object or debris
• The camera lens is contaminated due
to tinted, filmed or coated windshield,
damaged glass, or stuck of foreign
matter (sticker, bug, etc.) on the glass
• Inclement weather such as heavy rain
or snow obscures the field of view of
the radar sensor or camera
• There is interference by
electromagnetic waves
• There is severe irregular reflection
from the radar sensor
• The radar/camera sensor recognition
is limited
• The vehicle in front is too small to be
detected (for example a motorcycle
etc.)
• The vehicle in front is an oversize
vehicle or trailer that is too big to be
detected by the camera recognition
system (for example a tractor trailer,
etc.)
• The camera's field of view is not well
illuminated (either too dark or too
much reflection or too much backlight
that obscures the field of view)
• The vehicle in front does not have
their rear lights or their rear lights
does not turned ON or their rear lights
are located unusually
• The outside brightness changes
suddenly, for example when entering
or exiting a tunnel
• Light coming from a street light or an
oncoming vehicle is reflected on a wet
road surface such as a puddle in the
road
• The field of view in front is obstructed
by sun glare or head light of oncoming
vehicle
• The windshield glass is fogged up; a
clear view of the road is obstructed
• The vehicle in front is driving
erratically
• The vehicle is on unpaved or uneven
rough surfaces, or road with sudden
gradient changes
• The vehicle is driven near areas
containing metal substances as a
construction zone, railroad, etc.
• The vehicle drives inside a building,
such as a basement parking lot
• The camera does not recognize the
entire vehicle in front
• The camera is damaged
• The brightness outside is too low such
as when the headlamps are not on at
night or the vehicle is going through
a tunnel
• The shadow is on the road by a
median strip, trees, etc.
• The vehicle drives through a tollgate
• The windshield glass is fogged up; a
clear view of the road is obstructed
• The rear part of the vehicle in front is
not normally visible (the vehicle turns
in other direction or the vehicle is
overturned.)
• The adverse road conditions cause
excessive vehicle vibrations while
driving
• The sensor recognition changes
suddenly when passing over a speed
bump
• The vehicle in front is moving
vertically to the driving direction
• The vehicle in front is stopped
vertically
• The vehicle in front is driving towards
your vehicle or reversing
• You are on a roundabout and the
vehicle in front circles
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