Braking Systems
WARNING: Properly functioning braking systems
are critical to ensure safety. If you experience a
problem with the brake pedal, brake calipers, or
any component of a Model X braking system,
contact Tesla immediately.
Model X has an anti-lock braking system (ABS) that
prevents the wheels from locking when you apply
maximum brake pressure. This improves steering control
during heavy braking in most road conditions.
During emergency braking conditions, the ABS
constantly monitors the speed of each wheel and varies
the brake pressure according to the grip available.
The alteration of brake pressure can be felt as a pulsing
sensation through the brake pedal. This demonstrates
that the ABS is operating and is not a cause for concern.
Keep
firm and steady pressure on the brake pedal while
experiencing the pulsing.
The ABS indicator
briefly flashes yellow on
the instrument panel when you first start
Model X. If this indicator lights up at any
other time, an ABS fault has occurred and
the ABS is not operating. Contact Tesla.
The braking system remains fully
operational and is not
aected by an ABS
failure. However, braking distances may
increase. Drive cautiously and avoid heavy
braking.
If the
instrument panel displays this red
brake indicator at any time other than
briefly when you first start Model X, a
brake system fault is detected, or the level
of the brake fluid is low. Contact Tesla
immediately. Apply steady pressure and
keep the brakes
firm to bring the vehicle to
a stop when safe to do so.
The
instrument panel displays this yellow
brake indicator if a brake booster fault is
detected. Apply steady pressure and keep
the brakes firm to stop the vehicle when
safety permits. Hydraulic Boost
Compensation will be active (see
Hydraulic
Boost Compensation on page 66).
Emergency Braking
In an emergency, fully press the brake pedal and
maintain firm pressure, even on low traction surfaces.
The ABS varies the braking pressure to each wheel
according to the amount of traction available. This
prevents wheels from locking and ensures that you stop
as safely as possible.
WARNING:
Do not pump the brake pedal. Doing so
interrupts operation of the ABS and can increase
braking distance.
WARNING:
Always maintain a safe distance from
the vehicle in front of you and be aware of
hazardous driving conditions. While the ABS can
improve stopping distance, it cannot overcome the
laws of physics. It also does not prevent the
danger of hydroplaning (where a layer of water
prevents direct contact between the tires and the
road).
Automatic Emergency Braking is designed to
automatically brake in situations where a collision is
considered imminent (see Automatic Emergency
Braking on page 128).
WARNING:
Automatic Emergency Braking is not
designed to prevent a collision. At best, it can
minimize the impact of a frontal collision by
attempting to reduce your driving speed.
Depending on Automatic Emergency Braking to
avoid a collision can result in serious injury or
death.
CAUTION:
In emergency situations, if the brakes
are not functioning properly, press and hold the
Park button on the drive stalk to bring the vehicle
to a stop. Do not use this method to stop the
vehicle unless absolutely necessary.
Brake Disc Wiping
To ensure brakes remain responsive in cold and wet
weather,
Model X is equipped with brake disc wiping.
When cold and wet weather is detected, this feature
repeatedly applies an imperceptible amount of brake
force to remove water from the surface of the brake
discs.
Hydraulic Fade Compensation
Model X is also equipped with hydraulic fade
compensation. This feature assists in monitoring brake
system pressure and ABS activity for instances of
reduced brake performance. If reduced brake
performance is detected (for example, as a result of
brake fade, or cold or wet conditions), you may hear a
sound, feel the brake pedal pull away from your foot,
and notice a strong increase in braking. Brake as you
normally would and continue to press the brake pedal
without releasing or "pumping".
CAUTION:
If brakes are not functioning properly,
stop the vehicle when safety permits and contact
Tesla Service. See Park on page 54 for information
on using the Park button to stop the vehicle in
case of emergency.
Braking and Stopping
65Driving
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