Traction Control
How It Works
The traction control system constantly
monitors the speed of the front and rear
wheels. If Model Y experiences a loss of
traction, the system minimizes wheel spin by
controlling brake pressure and motor power.
By default, the traction control system is on.
Under normal conditions, it should remain on
to ensure maximum safety.
This yellow indicator flashes on the
touchscreen whenever the traction
control system is actively controlling
brake pressure and motor power to
minimize wheel spin. If the indicator
stays on, a fault is detected with the
traction control system. Contact
Tesla Service.
Warning: Traction control cannot prevent
collisions caused by driving dangerously
or turning too sharply at high speeds.
Disabling Traction Control
Under normal conditions, the traction control
system should remain on. Turn it o only in
circumstances where you deliberately want
the wheels to spin, such as:
• Starting on a loose surface, such as gravel
or snow.
• Driving in deep snow, sand or mud.
• Rocking out of a hole or deep rut.
• Driving o-road.
To turn o traction control and allow the
wheels to spin, touch Controls > Driving and
choose one of these options, depending on
the circumstances:
• Slip Start is designed to make it easier to
dislodge Model Y when stuck in mud,
snow, ice, etc. Turning on Slip Start allows
the wheels to spin, making it possible to
rock Model Y out of a situation in which
the wheels are stuck.
•
O-Road Assist is designed to provide
overall improvements when driving o-
road. In addition to allowing the wheels to
spin, O-Road Assist balances the torque
between the front and rear motors to
optimize traction. O-Road Assist
improves traction on rough and soft
surfaces where one side of the vehicle
may lose traction while the other side still
has traction. When O-Road Assist is on,
the accelerator pedal provides more
gradual torque, which is useful for
crawling at low speeds (for example, over
rocky surfaces). When enabled, OFF-
ROAD displays on the touchscreen above
the driving speed.
After the circumstances that required you to
turn on Slip Start or O-Road Assist have
passed, it is strongly recommended that you
turn the setting o to re-enable traction
control. If you leave these settings on, Traction
Control automatically re-enables on your next
drive.
When you turn on Slip Start or O-
Road Assist, the touchscreen
displays an indicator light to indicate
that the traction control system is no
longer preventing wheel slip.
Note: Although you can use Slip Start and O-
Road Assist at any speed, it is less eective at
higher speeds.
Note: Slip Start and O-Road Assist are not
available when you are using Trac-Aware
Cruise Control.
Note: Engaging cruise control when Slip Start
or O-Road Assist is on causes the feature to
turn o and traction control to be re-enabled.
Note: Automatic Emergency Braking and Lane
Departure Avoidance do not operate when
O-Road Assist is turned on.
Traction Control
72 Model Y Owner's Manual
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