Tesla 2010 Roadster, Owner'S Manual, Page: 85 / 122

Wheels and tyres
8-11 Maintenance and care
Always inflate your tyres to inflation
pressure recommended by Tesla Motors
even if it is different from the maximum
inflation pressure information found on
the tyre itself. See Tyre pressures,
page 10-6.
The following procedure should be used to
check and adjust tyre pressures:
1. Remove the cap from the valve.
2. Firmly attach a tyre pressure gauge/
inflator onto the valve and measure the
pressure.
3. If required add air to reach the
required pressure.
4. Check the pressure by removing the
gauge and then re-attaching it.
Note: Failure to remove and re-attach
the gauge to the valve could cause the
gauge to show an incorrect reading.
5. If too much air is added, air can be
released by pushing on the metal stem
in the center of the valve.
6. Recheck the pressure with the gauge
and adjust if necessary.
7. Refit the valve cap.
Valves
Fit the valve caps securely to prevent dirt
from entering the valve. Periodically check
the valve for damage and leaks.
Tyre wear
WARNING: The tyres should be
checked regularly for wear and to
make sure that there are no cuts, bulges or
exposure of the ply/cord structure. Do not
drive with tyres which are worn or
damaged. The safety of the vehicle and
occupants will be adversely affected.
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Tyres fitted as original equipment have
wear indicators moulded into the tread
pattern.
When the tread has been worn down to
1.6 mm (1/16 inch), the indicators start
appearing at the surface of the tread
pattern, producing the effect of a
continuous band of rubber across the
width of the tyre.
To maintain grip and performance, a tyre
must be replaced as soon as an indicator
band becomes visible or sooner if the
tread depth reaches the minimum
permitted by legislation.
Note: If tread wear is uneven across the
tyre, or becomes abnormally excessive,
the wheel alignment should be checked.
Age degradation
Tyres degrade over time due to the effects
of ultraviolet light, extreme temperatures,
high loads, and environmental conditions.
It is recommended that tyres are replaced
every six years, or sooner if required.
Punctured tyres
Your vehicle is fitted with tubeless tyres,
which may not leak when penetrated,
provided the object remains in the tyre.
If, however, you feel a sudden vibration or
ride disturbance while driving, reduce
your speed and when safe to do so, stop
and check for the cause of the vibration.
A puncture will eventually cause the tyre
to lose pressure, which is why frequent
checking of tyre pressures is important.
Punctured or damaged tyres must be
permanently repaired or replaced as soon
as possible.
TR0080