Hyundai Santa Fe Owner's Manual page 426

Detecting vehicles
The sensor may be limited when:
• The radar sensor or camera is
blocked with a foreign object or
debris
• The camera lens is contaminated
due to tinted, filmed or coated
windscreen, 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 electro-
magnetic waves
• There is severe irregular reflection
from the radar sensor
• The radar/camera sensor recogni-
tion is limited
• The vehicle in front is too small to
be detected (for example a motor-
cycle etc.)
• The vehicle in front is an oversize
vehicle or trailer that is too big to
be detected by the camera recog-
nition 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 enter-
ing or exiting a tunnel
• When 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 obstruct-
ed by sun glare or head light of
oncoming vehicle.
• The windscreen glass is fogged up;
a clear view of the road is obstruct-
ed
• The vehicle in front is driving errati-
cally
• 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 recognise
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.
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