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If Autosteer is unable to detect lane markings,
the driving lane is determined based on the
vehicle you are following.
In most cases, Autosteer attempts to center
Model X in the driving lane. However, if the
sensors detect the presence of an obstacle
(such as a vehicle or guard rail), Autosteer
may steer Model X in a driving path that is
oset from the center of the lane.
Warning: Autosteer is not designed to,
and will not, steer Model X around objects
partially or completely in the driving lane.
Always watch the road in front of you and
stay prepared to take appropriate action.
It is the driver's responsibility to be in
control of Model X at all times.
Restricted Speed
Autosteer is intended for use only by a fully
attentive driver on freeways and highways
where access is limited by entry and exit
ramps. If you choose to use Autosteer on
residential roads, a road without a center
divider, or a road where access is not limited,
Autosteer may limit the maximum allowed
cruising speed. The maximum allowed cruising
speed on such roads is calculated based on
the detected speed limit including a Speed
Assist
oset of up to +10 km/h. Any Speed
Assist oset above +10 km/h is rounded down
to +10 km/h. However, you can select a more
restrictive cruising speed by reducing the
speed limit
oset (see Controlling Speed
Assist on page 112) or by adjusting the cruise
control lever.
In situations where the speed limit cannot be
detected when Autosteer is engaged,
Autosteer reduces your driving speed and
limits the set speed to 70 km/h. Although you
can manually accelerate to exceed the limited
speed, Model X may not brake for detected
obstacles. Autosteer will slow down to the
limited speed when you release the
accelerator pedal. When you leave the road, or
disengage Autosteer by using the steering
wheel, you can increase your set speed again,
if desired.
Hold Steering Wheel
Autosteer uses data from the camera(s),
sensors, and GPS to determine how best to
assist you in steering Model X. When active,
Autosteer requires you to hold the steering
wheel. If it does not detect your hands on the
steering wheel for a period of time, a flashing
white light appears around the instrument
panel and the following message displays:
Autosteer detects your hands by recognizing
light resistance as the steering wheel turns, or
from you manually turning the steering wheel
very lightly (i.e., without enough force to
retake control). When your hands are
detected, the message disappears and
Autosteer resumes normal operation.
Note: Autosteer may also sound a chime at
the same time that the message is initially
displayed.
Autosteer requires that you pay attention to
your surroundings and remain prepared to
take control at any time. If Autosteer still does
not detect your hands on the steering wheel,
the request escalates by sounding chimes that
increase in frequency.
If you repeatedly ignore hands-on prompts,
Autosteer displays the following message and
is disabled for the rest of the drive. If you
don't resume manual steering, Autosteer
sounds a continuous chime, turns on the
warning
flashers, and slows the vehicle to a
complete stop.
For the rest of the drive, you must steer
manually. Autosteer is available again after
you stop and shift the vehicle into Park.
Autosteer is Aborting
In situations where Autosteer is unable to
assist in steering Model X, Autosteer aborts,
sounds a warning chime, and displays the
following message on the instrument panel:
Autosteer
98 Model X Owner's Manual
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