User Manual - Page 90

For 2017 MODEL S.

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Limitations and Inaccuracies
Speed Assist may not be fully functional or
may provide inaccurate information in these
situations:
Visibility is poor and speed limit signs are
not clearly visible (due to heavy rain,
snow, fog, etc.).
Bright light (oncoming headlights or
direct sunlight) is interfering with the
camera's view.
Model S is being driven very close to a
vehicle in front of it which is blocking the
camera's view.
The windshield area in the camera's
field
of view is obstructed (fogged over, dirty,
covered by a sticker, etc.).
Speed limit signs are concealed by
objects.
The speed limits stored in the GPS
database are incorrect or outdated.
Model S is being driven in an area where
GPS data is not available.
Trac signs do not conform to standard
recognizable formats.
A road or a speed limit has recently
changed.
Warning: The list above does not
represent an exhaustive list of situations
that may interfere with proper operation
of Speed Assist. Speed Assist may fail to
provide warnings for many other reasons.
Speed Assist
Driver Assistance 89
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