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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 148). If your vehicle has
tires of a dierent 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 TPMS that displays a
tire pressure telltale (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 to alert you about tire pressure, stop
and check your tires as soon as possible, and
inflate them to the proper pressure (see
Maintaining Tire Pressures on page 148).
Driving on a
significantly under-inflated tire
causes the tire to overheat and can lead to tire
failure.
Under-inflation also reduces range
eciency and tire tread life, and may aect
the vehicle's handling and stopping ability.
If Model S detects a fault with the
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.
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 (but not
after replacing a tire or rotating wheels), the
TPMS sensors need to be reset to ensure tire
pressure warnings are accurate.
On newer versions of Model S, the TPMS
sensors are reset automatically after driving
over 25 km/h for longer than 10 minutes. But
for older versions, follow these steps:
1.
Inflate all tires to their recommended
pressures, as indicated on the Tire and
Loading Information label located on the
door pillar.
2. Get ready to drive for ten minutes, then
touch Controls > Settings > Service &
Reset > Tire Pressure Monitor > Reset
Sensors.
3. Follow the onscreen instructions.
Caution: Selecting the incorrect
wheel size may result in false tire
pressure warnings. If a tire pressure
warning displays, exit the vehicle,
close the rear trunk and all doors,
wait for the touchscreen to go black,
then re-enter the vehicle and ensure
that the correct wheel size is selected
before touching Reset Sensors.
Note: On some older versions of Model S,
when changing to 21" wheels, the TPMS may
generate false tire pressure warnings. Bring
Model S to a Tesla Service Center for further
adjustment.
Warning: Do not reset the TPMS sensors
in an attempt to clear tire pressure
warnings.
Replacing a Tire Sensor
If the Tire Pressure warning indicator displays
frequently, contact Tesla to determine if a tire
sensor needs to be replaced. If a non-Tesla
Service Center repairs or replaces a tire, the
tire sensor may 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.
Tire Care and Maintenance
152 Model S Owner's Manual
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