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Inflation EffectsWhen airbags inflate, a fine powder is
released. This powder can irritate the skin and should be thoroughly flushed from the eyes
and from any cuts or abrasions.
After inflation, the airbags deflate to provide a
gradual cushioning effect for the occupants and to ensure the driver’s forward vision is notobscured.
If airbags have inflated, or if your vehicle has been in an accident, always have the airbags,seat belt pre-tensioners and any associated
components checked and, if necessary,
replaced by Tesla.
In a collision, in addition to the airbags
inflating:
• Doors unlock and the door handles extend.
• Hazard warning lights turn on.
• Interior lights turn on.
• High voltage is disabled.
To restore Battery power, use the touchscreen to manually power off Model S, then press thebrake to power it back on again.
Airbag Warning IndicatorThe airbag indicator on the
instrument panel remains lit if the
airbag system is malfunctioning. The
only time this indicator should light
up is briefly when Model S first starts
up, in which case it turns off within a few seconds. If it remains lit, contact
Tesla immediately and do not drive.
Airbag Warnings
Warning: All occupants, including the
driver, should always wear their seat
belts, whether or not an airbag is also
provided at their seating position, to
minimize the risk of severe injury or death
in the event of a collision.Warning: Front seat occupants should
not place their arms over the airbag
module, as an inflating bag can cause
fractures or other injuries.Warning: Do not use seat covers on
Model S. Doing so could restrict
deployment of the side air bags if an
accident occurs. It can also reduce the
accuracy of the occupant detection
system.Warning: Airbags inflate with
considerable speed and force, which can
cause injury. To limit injuries, ensure that
occupants are wearing seat belts and are
correctly seated, with the seat positioned
as far back as possible.Warning: Do not use a child safety seat or
seat young children on a seat with an operational airbag in front of it. Doing socan cause injury or death if the airbaginflates.Warning: To ensure correct inflation of
the side airbags, maintain an
unobstructed gap between an occupant’s
torso and the side of Model S.Warning: Passengers should not lean their
heads against the doors. Doing so can cause injury if a curtain airbag inflates.Warning: Do not allow passengers to
obstruct the operation of an airbag by
placing feet, knees or any other part of the body on or near an airbag.Warning: Do not attach or place objects
on or near the front airbags, the side of
the front seats, the headliner at the side of the vehicle, or any other airbag coverthat could interfere with inflation of an
airbag. Objects can cause serious injury if the vehicle is in a collision severe enoughto cause the airbag to inflate.Warning: Following inflation, some airbag
components are hot. Do not touch until
they have cooled.
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Tire Care and Maintenance
Maintaining Tire Pressures Keep tires inflated to the pressures shown on
the Tire and Loading Information label, even if it differs from the pressure printed on the tireitself. The Tire and Loading Information labelis located on the center door pillar and is
visible when the driver’s door is open.The Tire Pressure indicator light on
the instrument panel alerts you if
one or more tires is under- or over-
inflated.
The Tire Pressure indicator light does not
immediately turn off when you adjust tire
pressure. After inflating the tire to the
recommended pressure, you must drive over
40 km/h for more than 10 minutes to activate
the Tire Pressure Monitoring System (TPMS),
which turns off the Tire Pressure indicator
light.
If the indicator light flashes for one minute whenever you power on Model S, a fault with
the Tire Pressure Monitoring System (TPMS) is detected (see TPMS Malfunction on page
26).
Checking and Adjusting Tire Pressures
Follow these steps when tires are cold andModel S has been stationary for over three
hours:
1. Remove the valve cap.
2. Firmly press an accurate tire pressure
gauge onto the valve to measure
pressure.
3. If required, add air to reach the
recommended pressure.
4. Re-check pressure by removing and re-
attaching the tire gauge.
5. If you added too much air, release air by
pressing the metal stem in the center of
the valve.
6. Recheck the pressure with the tire gauge
and adjust if necessary.
7. Replace the valve cap to prevent dirt from
entering. Periodically check the valve for
damage and leaks.Warning: Under-inflation is the most
common cause of tire failures and can
cause a tire to overheat, resulting in
severe tire cracking, tread separation, or
blowout, which causes unexpected loss of vehicle control and increased risk ofinjury. Under-inflation also reduces
Battery range and tire tread life.Warning: Check tire pressures using an
accurate pressure gauge when tires are
cold. It takes only about 1.6 kms of driving
to warm up the tires sufficiently to affect
tire pressures. Parking the vehicle in
direct sunlight or in hot weather can also affect tire pressures. If you must checkwarm tires, expect increased pressures.Do not let air out of warm tires in an
attempt to match recommended cold tire
pressures. A hot tire at or below the
recommended cold tire inflation pressure
is dangerously under-inflated.Warning: Do not use any tire sealant
other than the type provided in a Tesla tire repair kit. Other types can cause tire
pressure sensors to malfunction. If your Model S did not include a tire repair kit,
you can purchase one from Tesla Motors.
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22Model S Quick Guide
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Inspecting and Maintaining TiresRegularly inspect the tread and side walls for
any sign of distortion (bulges), cuts or wear.Warning: Do not drive Model S if a tire is
damaged, excessively worn, or inflated to
an incorrect pressure. Check tires
regularly for wear, and ensure there are
no cuts, bulges or exposure of the ply/
cord structure.
Tire Wear
Model S is originally fitted with tires that have wear indicators molded into the tread pattern.
When the tread has been worn down to
1.6 mm, the indicators start to appear at the
surface of the tread pattern, producing the effect of a continuous band of rubber across
the width of the tire.
Replace a tire as soon as an indicator band
becomes visible or the tread depth reaches the minimum permitted by law.
Tire Rotation, Balance, and Wheel Alignment
Tesla recommends rotating the tires every 8000 km.
Unbalanced wheels (sometimes noticeable as vibration through the steering wheel) affect
vehicle handling and tire life. Even with
regular use, wheels can get out of balance.
Therefore, they should be balanced as
required.
If tire wear is uneven (on one side of the tire
only) or becomes abnormally excessive, check
the alignment of wheels.
Note: When replacing only two tires, always
install the new tires on the rear.
Punctured Tires
A puncture eventually causes the tire to lose
pressure, which is why it is important to check
tire pressures frequently. Permanently repair
or replace punctured or damaged tires as
soon as possible. Do not drive with a
punctured tire, even if the puncture has not
caused the tire to deflate. A punctured tire
can deflate suddenly at any time.
Your tubeless tires may not leak when
penetrated, provided the object remains in the
tire. If, however, you feel a sudden vibration or
ride disturbance while driving, or you suspect
a tire is damaged, immediately reduce your
speed. Drive slowly, while avoiding heavy
braking or sharp steering and, when safe to do
so, stop the vehicle. Arrange to have Model S
transported to a Tesla service center, or to a
nearby tire repair center.
Note: In some cases, you can temporarily
repair small tire punctures (under 6 mm) using
an optional tire repair kit available from Tesla. This allows you to slowly drive Model S to
Tesla or to a nearby tire repair facility.Warning: Do not drive Model S with a
punctured tire. Even if the punctured tire has not deflated, it can suddenly deflate
at any time.
Flat Spots
If Model S is stationary for a long period in
high temperatures, tires can form flat spots. When Model S is driven, these flat spots causea vibration which gradually disappears as thetires warm up and regain their original shape.
To minimize the flat spots during storage,
inflate tires to the maximum pressure
indicated on the tire wall. Then, before driving, release air to adjust tire pressure to the
recommended levels.
Driving in Low Ambient Temperatures
Tire performance is reduced in low ambient temperatures, resulting in reduced grip and an
increased susceptibility to damage from
impacts. Performance tires can temporarily
harden when cold, causing you to hear
rotational noise for the first few kms until the tires warm up. Contact Tesla for winter tire
recommendations.
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Improving Tire Mileage
To improve the mileage you get from your
tires, maintain tires at the recommended tire pressures, observe speed limits and advisory
speeds, and avoid:
• Pulling away quickly, or hard acceleration.
• Fast turns and heavy braking.
• Potholes and objects in the road.
• Hitting curbs when parking.
• Contaminating tires with fluids that can cause damage.
Replacing Tires and Wheels
Tires degrade over time due to the effects of
ultraviolet light, extreme temperatures, high loads, and environmental conditions. It is
recommended that tires are replaced every
six years, or sooner if required.
Wheel rims and tires are matched to suit the
handling characteristics of the vehicle.
Replacement tires must comply with the
original specification. If tires other than those
specified are used, ensure that the load and
speed ratings marked on the tire equal or
exceed those of the original specification.
Ideally, you should replace all four tires at the
same time. If this is not possible, replace the
tires in pairs (both front or both rear). When
replacing tires, always re-balance and check
the alignment of wheels.
If you replace a wheel, the TPMS (Tire
Pressure Monitoring System) sensors need to
be reset to ensure they provide accurate
warnings when tires are under- or over-
inflated (see Resetting the TPMS Sensors on
page 25).Warning: For your safety, use only tires
and wheels that match the original
specification. Tires that do not match the
original specification can affect the
operation of the Tire Pressure Monitoring System (TPMS).Asymmetric Tires
Model S tires are asymmetric and must be
mounted on the wheel with the correct sidewall facing outward. The sidewall of thetire is marked with the word OUTSIDE. When
new tires are installed, make sure that the tires
are correctly mounted on the wheels.Warning: Road holding is seriously
impaired if the tires are incorrectly
installed on the wheels.
Winter Tires
In snowy and icy conditions, consider installing winter tires. Winter tires must be the
same size, brand, construction and tread
pattern on all four wheels. For
recommendations on winter tires, contact Tesla.
Warning: On dry roads, winter tires could
have less traction than the originally
installed tires.
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Using Tire ChainsTesla has tested and approved Security Chain
Company (SCC) Model Z-563 chains for use
on the rear wheels. These chains must only be
used if your Model S has 245/45R19 rear tires
installed. Do not use chains on 21 inch tires.
When installing tire chains, follow the
instructions provided by the tire chain
manufacturer. Mount them as tightly as
possible.
When using tire chains:
• Drive slowly. Do not exceed 48 km/h.
• Avoid heavily loading Model S (heavy loads can reduce the clearance betweenthe tires and the body).
• Remove the tire chains as soon as conditions allow.
Note: Tire chains are prohibited in some
jurisdictions. Check local laws before installing
tire chains.Caution: Using non-recommended tire
chains, or using tire chains on other sized tires, can damage the suspension, body,wheels, and/or brake lines. Damagecaused by using non-recommended tire
chains is not covered by the warranty.Caution: Ensure that tire chains cannot
touch suspension components or brake
lines. If you hear the chains making
unusual noises that would indicate
contact with Model S, stop and
investigate immediately.
Tire Pressure Monitoring
Each tire should be checked monthly when
cold and inflated to the recommended
pressures that are printed on the Tire and
Loading Information label located on the
driver’s door pillar (see Maintaining Tire Pressures on page 22). If your vehicle has tires
of a different size than the size indicated on
the vehicle placard or tire inflation pressure
label, determine the proper tire inflation
pressure for those tires.
As an added safety feature, your vehicle has
been equipped with a tire pressure monitoring system (TPMS) that displays a tire pressuretelltale (Tire Pressure Warning) on the
instrument panel when one or more of your
tires is significantly under- or over-inflated.
Accordingly, when the Tire Pressure indicator
light displays on the instrument panel alerting
of tire pressure, stop and check your tires as
soon as possible, and inflate them to the proper pressure (see Maintaining TirePressures on page 22). Driving on a
significantly under-inflated tire causes the tire
to overheat and can lead to tire failure. Under-
inflation also reduces fuel efficiency and tire
tread life, and may affect the vehicle's
handling and stopping ability.If Model S detects a fault with the
Tire Pressure Monitoring System
(TPMS), this indicator flashes for one
minute whenever you power on
Model S.
Note: Installing accessories that are not
approved by Tesla can interfere with the TPMS system.
Warning: The TPMS is not a substitute for
proper tire maintenance, including
manually checking tire pressures and
regularly inspecting the condition of tires.
It is the driver's responsibility to maintain
correct tire pressure, even if under- or
over-inflation has not reached the level
for the TPMS to trigger the Tire Pressure Warning on the instrument panel.
Resetting the TPMS Sensors
After replacing one or more wheels, the TPMS sensors must be reset to ensure tire pressurewarnings are accurate. However, note that theTPMS sensors do not need to be reset after
replacing a tire or rotating wheels.
Note: When changing to 21" wheels
(Performance Plus models), the TPMS may
generate false tire pressure warnings. Bring
Model S to a Tesla Service center for further
adjustment.
Note: Do not reset the TPMS sensors in an
attempt to clear tire pressure warnings.
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To reset TPMS sensors:
1. Inflate all tires to their recommend
pressures, as indicated on the Tire and
Loading Information label located on the
driver’s door pillar.
2. Get ready to drive for ten minutes, then,
on the Model S touchscreen, touch
Controls > Settings > Vehicle > Tire
Pressure Monitor > Reset Sensors .
3. Follow the onscreen instructions.
Replacing a Tire Sensor
If the Tire Pressure warning indicator displays
frequently, contact Tesla to determine if a tire
sensor needs to be replaced. Tire sensors
must be replaced by a Tesla service technician
who can perform a brief setup procedure. If a
non-Tesla service center repairs or replaces a
tire, the tire sensor will not work until Tesla
performs the setup procedure.
TPMS Malfunction
Model S has also been equipped with a TPMS
malfunction indicator to indicate when the
system is not operating properly.The TPMS malfunction indicator is
combined with the tire pressure
indicator light. When the system
detects a malfunction, the indicator
flashes for approximately one
minute after Model S powers on, and
then remains continuously lit. This
sequence continues upon
subsequent vehicle start-ups as long
as the malfunction exists. When the
TPMS malfunction indicator is on,
the system might not be able to
detect or signal under- and over-
inflated tires as intended.
TPMS malfunctions can occur for a variety of
reasons, including installing replacement oralternate tires or wheels on the vehicle thatprevent the TPMS from functioning properly.Always check the TPMS malfunction indicator
light after replacing one or more tires or
wheels on your vehicle to ensure that the replacement or alternate tires and wheels
allow the TPMS to continue to function
properly.
Note: If a tire has been replaced or repaired
using a different tire sealant than the one
available from Tesla, and a low tire pressure is
detected, it is possible that the tire sensor has
been damaged. Contact Tesla to have the
fault repaired as soon as possible.
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26Model S Quick Guide
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Understanding Tire MarkingsLaws require tire manufacturers to place standardized information on the sidewall of all tires. Thisinformation identifies and describes the fundamental characteristics of the tire.
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1Tire category. P indicates that the tire is for passenger vehicles.2Tire width. This 3-digit number is the width (in millimeters) of the tire from sidewall
edge to sidewall edge.3Aspect ratio. This 2-digit number is the sidewall height as a percentage of the tread width. So, if the tread width is 205 mm, and the aspect ratio is 50, the sidewall height is
102 mm.4Tire construction. R indicates that the tire is of Radial ply construction.5Wheel diameter. This 2-digit number is the diameter of the wheel rim in inches.6Load index. This 2 or 3-digit number is the weight each tire can support. This number is not always shown.7Speed rating. When stated, indicates the maximum speed (in mph) at which the tire
can be used for extended periods. Q=99 mph (160 km/h), R=106 mph (170 km/h),
S=112 mph (180 km/h), T=118 mph (190 km/h), U=124 mph (200 km/h), H=130 mph
(210 km/h), V=149 mph (240 km/h), W=168 mph (270 km/h), Y=186 mph (300 km/h).8Tire composition and materials. The number of plies in both the tread area and the sidewall area indicates how many layers of rubber coated material make up the
structure of the tire. Information is also provided on the type of materials used.9Maximum tire load. The maximum load which can be carried by the tire.10Maximum permissible inflation pressure. This pressure should not be used for normal driving.11U.S. DOT Tire Identification Number (TIN). Begins with the letters DOT and indicates
that the tire meets all federal standards. The next 2 digits/letters represent the plant
code where it was manufactured, and the last 4 digits represent the week and year of
manufacture. For example, the number 1712 is used to represent the 17th week of 2012.
The other numbers are marketing codes used at the manufacturer’s discretion. This
information can be used to contact consumers if a tire defect requires a recall.12Treadwear grade. This number indicates the tire’s wear rate. The higher the treadwear number is, the longer it should take for the tread to wear down. A tire rated at 400, for
example, lasts twice as long as a tire rated at 200.13Traction grade. Indicates a tire’s ability to stop on wet roads. A higher graded tire should allow you to stop your vehicle in a shorter distance than a tire with a lower
grade. Traction is graded from highest to lowest as AA, A, B, and C.14Temperature grade. The tire’s resistance to heat is grade A, B, or C, with A indicating
the greatest resistance. This grading is provided for a correctly inflated tire, which is
being used within its speed and loading limits.
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28Model S Quick Guide