Tesla MODEL S Operating Manual page 112

every situation and does not replace the need
to remain attentive and in control.
Warning: Keep your hands on the steering
wheel at all times. If the vehicle senses
your hands are not on the steering wheel,
Model S sounds a chime and the hazard
warning lights flash.
Warning: Steering interventions are
minimal and are not designed to move
Model S out of its driving lane. Do not rely
on steering interventions to avoid side
collisions.
Emergency Lane Departure
Avoidance
Depending on your vehicle's configuration,
this feature may not be available.
For emergency situations, Emergency Lane
Departure Avoidance attempts to prevent a
potential collision with a vehicle in an adjacent
lane by steering Model S back into your
driving lane when traveling between 40 and
90 mph (64 and 145 km/h). This operates if
the cameras can detect the edge of the lane,
such as a lane line or curb. When this steering
intervention is applied, you will hear a chime
and the instrument panel displays a warning
while highlighting the lane line red until
Model S returns to the driving lane. To turn on
or off, touch Controls > Autopilot >
Emergency Lane Departure Avoidance.
Blind Spot Collision Warning Chime
If you want a chime to sound when a vehicle is
in your blind spot and possible collision is
detected, touch Controls > Autopilot > Blind
Spot Collision Warning Chime.
Warning: Blind Spot Collision Warning
Chime cannot detect every collision. It is
the driver's responsibility to remain alert
and check their blind spots.
Adjacent Lane Speed
Due to market region and vehicle
configuration, this feature may not be
available on your vehicle.
Autopilot
When your vehicle is moving at a significantly
faster speed than neighboring lanes, Model S
automatically reduces your driving speed. This
is especially helpful in heavy traffic situations
or when vehicles are constantly merging into
different lanes. When Model S detects that
neighboring driving speeds are significantly
slower, the neighboring lane is highlighted
with arrows and detected vehicles are
highlighted gray on the instrument panel, and
your vehicle slows down as appropriate. This
functionality can be temporarily overridden by
pressing the accelerator pedal. Never rely on
Autopilot to determine a safe driving speed;
you are responsible for the vehicle and
obeying traffic laws.
Limitations and Inaccuracies
Lane Assist cannot always clearly detect lane
markings and you may experience
unnecessary or invalid warnings in these
situations:
• Visibility is poor and lane markings are not
clearly visible (due to heavy rain, snow,
fog, etc.). The exact detection zone of the
ultrasonic sensors varies depending on
environmental conditions.
• Bright light (such as from oncoming
headlights or direct sunlight) is interfering
with the view of the camera(s).
• A vehicle in front of Model S is blocking
the view of the camera(s).
• The windshield is obstructing the view of
the camera(s) (fogged over, dirty, covered
by a sticker, etc.).
• Lane markings are excessively worn, have
visible previous markings, have been
adjusted due to road construction, or are
changing quickly (for example, lanes
branching off, crossing over, or merging).
• The road is narrow or winding.
• Objects or landscape features are casting
strong shadows on lane markers.
Lane Assist may not provide warnings, or may
apply inappropriate warnings, in these
situations:
• One or more of the ultrasonic sensors is
damaged, dirty, or obstructed (such as by
mud, ice, or snow).
• Weather conditions (heavy rain, snow, fog,
or extremely hot or cold temperatures)
are interfering with sensor operation.
• The sensors are affected by other
electrical equipment or devices that
generate ultrasonic waves.
Lane Assist
111