Owner's Guide

Speed Assist
How Speed Assist Works
When the Speed Limit Warning is turned on,
the touchscreen displays a speed limit as
determined by GPS data. You can touch this
speed limit sign to automatically change the
set speed to the detected speed limit
(including any osets that you have set).
Warnings (described later) take eect 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 touchscreen may not display a
speed limit sign and warnings do not take
eect.
If you set the speed limit warning to Display
(see Controlling Speed Assist on page 89)
and exceed the determined speed limit, the
speed limit sign on the touchscreen increases
in size.
If you set the speed limit warning to Chime
(see Controlling Speed Assist on page 89)
and exceed the determined speed limit, the
speed limit sign on the touchscreen increases
in size and Model 3 also sounds a warning
chime.
Note: Speed limit warnings go away after ten
seconds, or when Model 3 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 trac and road
conditions.
Controlling Speed Assist
To adjust the Speed Limit Warning setting,
touch Controls > Autopilot > 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
touchscreen 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 trac
signs and GPS data. If desired, you can set
a speed limit oset (+ or -) if you want to
be alerted only when you exceed the
oset speed limit by a specified amount.
For example, you can increase the oset
to +10 km/h if you only want to be warned
when you exceed the speed limit by
10 km/h.
• 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 dierent speed limit. For
example, the GPS can assume Model 3 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.
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.
• Model 3 is being driven in an area where
GPS data is not available.
• 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
Speed Assist
Autopilot 89