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How Speed Assist Works
When the Speed Limit Warning is turned on,
the instrument panel displays a speed limit as
determined by GPS data. Warnings (described
later) take eect when you exceed this limit.
In situations where Speed Assist is unable to
determine a speed limit (for example, speed
limit signs and GPS data are not available at
the current location), or if Speed Assist is
uncertain that an acquired speed limit is
accurate (for example, although a speed limit
sign was initially detected, some time has
passed before a subsequent sign has been
detected), the instrument panel may not
display a speed limit sign and warnings do not
take
eect.
If you set the speed limit warning to Display
(see Controlling Speed Assist on page 112)
and exceed the determined speed limit, the
speed limit sign on the instrument panel
increases in size.
If you set the speed limit warning to Chime
(see Controlling Speed Assist on page 112)
and exceed the determined speed limit, the
speed limit sign on the instrument panel
increases in size and Model X also sounds a
warning chime.
Note: Speed limit warnings go away after ten
seconds, or when Model X slows down below
the
specified limit.
Warning:
Do not rely on Speed Assist to
determine the appropriate speed limit or
driving speed. Always drive at a safe
speed based on trac and road
conditions.
Controlling Speed Assist
To adjust the Speed Limit Warning setting,
touch Controls > Settings > Driver
Assistance > Speed Limit Warning, then
choose one of these options:
• O - Speed limit warnings do not display
and chimes are not sounded.
• Display - Speed limit signs display on the
instrument panel and the sign increases in
size when you exceed the determined
limit.
• Chime - In addition to the visual display, a
chime is sounded whenever you exceed
the determined speed limit.
You can also specify how the speed limit is
determined:
• Relative - The speed limit is determined
automatically based on detected
trac
signs and GPS data. If desired, you can set
a speed limit oset (+ or -) if you want to
be alerted only when you exceed the
oset speed limit by a specified amount.
For example, you can increase the oset
to +10 km/h if you only want to be warned
when you exceed the speed limit by
10 km/h.
Note: The oset from speed limit also
aects the number shown in the gray
speedometer icon on the left side of the
driving speed on the instrument panel.
• Absolute - Manually specify any speed
limit between 30 and 240 km/h.
Note: GPS data is not always accurate. The
GPS can miscalculate a road's location and
provide the speed limit for a directly adjacent
road that may have a
dierent speed limit. For
example, the GPS can assume Model X is on a
freeway or highway when it is actually on a
nearby surface street, and vice versa.
Note: Your chosen setting is retained until you
manually change it. It is also saved in your
driver
profile.
Limitations and Inaccuracies
Speed Assist may not be fully functional or
may provide inaccurate information in these
situations:
• The speed limits stored in the GPS
database are incorrect or outdated.
Speed Assist
112 Model X Owner's Manual
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