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Wheels and tyres
8-10
Maintenance and care
Wheels and tyres
Tyre care
WARNING: Defective tyres are
dangerous. Do not drive if any tyre is
damaged, is excessively worn, or is
inflated to an incorrect pressure.
▲
Always consider tyre conditions when
driving, and regularly inspect the tread
and side walls for any sign of distortion
(bulges), cuts or wear.
The way you drive has a significant
influence on your safety and on the life of
your tyres. Cultivate good habits for your
own benefit:
•
Make sure tyres are inflated to the
correct pressures.
•
Observe posted speed limits.
•
Avoid fast starts, stops and turns.
•
Avoid potholes and objects in the road.
•
Do not drive up kerbs or rub the tyre
against them when parking.
Caution: Avoid contaminating the
tyres with vehicle fluids as they may
cause damage to the tyre compound.
Driving in low ambient temperatures
Tyre performance reduces in low ambient
temperatures, resulting in less grip and an
increased susceptibility to damage from
impacts. When driving in sustained
temperatures below -10°C (15°F), it is
recommended that winter tyres are fitted.
Tyre pressure information
WARNING: If the vehicle has been
parked in strong sunlight or used in
high ambient temperatures, do not reduce
the tyre pressures. Move the vehicle into
the shade and allow the tyres to cool
before checking.
▲
Correctly inflated tyres will ensure that
you enjoy the best combination of vehicle
range, tyre life, ride comfort and road
handling.
Each tyre should be checked monthly
when cold and inflated to the inflation
pressure recommended on the tyre
information label.
Note:
If your vehicle has tyres of a
different size than the size indicated on
the tyre information label, you should
determine the proper inflation pressure
for those tyres.
As an added safety feature, your
vehicle has been equipped with a
Tyre Pressure Monitoring (TPM) system
that illuminates a tyre pressure telltale
when one or more of your tyres is
significantly under-inflated. Accordingly,
when the low tyre pressure telltale
illuminates, you should stop and check
your tyres as soon as possible, and inflate
them to the proper pressure.
Driving on a significantly under-inflated
tyre causes the tyre to overheat and can
lead to tyre failure. Under-inflation also
reduces vehicle range and tyre tread life,
and may affect the vehicle’s handling and
stopping ability.
The TPM system is not a substitute for
proper tyre maintenance, and it is the
driver’s responsibility to maintain correct
tyre pressure, even if under-inflation has
not reached a level to trigger illumination
of the TPM system tyre pressure telltale.
Checking tyre pressures
WARNING: Tyre pressures should be
checked regularly using an accurate
pressure gauge when cold. Under-inflation
is the most common cause of tyre failures
and may result in severe tyre cracking,
tread separation or “blowout”, with
unexpected loss of vehicle control and
increased risk of injury.
▲
Check the pressures when the tyres are
cold. Be aware that it only takes 1.5 km
(1 mile) of driving to warm up the tyres
sufficiently to affect the tyre pressures. If
it is necessary to check the tyres when
they are warm, you should expect the
pressures to have increased. Do not let air
out of warm tyres in an attempt to match
the recommended cold tyre pressures.
Note:
You can check the pressures for
each tyre by displaying the values on the
touch screen’s ‘Tire Pressure’ screen.
However, the values displayed on the
touch screen will not be updated until the
car has been driven long enough for the
TPM system to take new readings.
Summary of Contents for 2010 Roadster
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