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technicians and the necessary parts and tools.
e Tire repairs are not permissible under any cir-
cumstances. Sealing a tire with tire sealant is
only an emergency solution so that you can drive
to the nearest workshop.
For safety reasons, tires must be replaced in the
event of the following types of damage:
– If the possibility of a fracture in the ply cannot be
ruled out.
– If the tire was thermally or mechanically over-
loaded as a result of pressure loss or other prior
damage.
Replacing tires and wheels
e Switch off the ignition when changing a wheel.
Lack of grip
WARNING
Initially, new tires do not provide their full grip.
e You should therefore drive at moderate speeds
during the first 125 mls (200 km) to extend the
service life of the tires and achieve full perform-
ance capability.
e Only tires from the same manufacturer and with
the same specification code (e.g. "N0", "N1",
etc.) may be mounted on the vehicle.
e Before mounting new tires, inquire about their
current approval status: Contact an authorized
Porsche dealer.
e Use only tire makes tested and approved by
Porsche.
e The difference in tread depths on one axle must
not exceed 30%.
e Only use second-hand tires if their prior usage is
known.
e Always replace both tires on one axle to avoid
any unnecessary effect on driving behavior due
to varying tread depths.
e Only authorized Porsche dealers may install tires.
Visit an authorized Porsche dealer. Porsche rec-
ommends an authorized Porsche dealer, as they
have trained technicians and the necessary parts
and tools.
e Adjust your driving style to the altered handling
behavior.
e Only use tires with tire pressure sensors for the
Tire Pressure Monitoring System (TPMS).
e Make sure the wheels are compatible with the
TPMS on your vehicle. For information on suit-
able wheels and on the TPMS on your vehicle:
Contact an authorized Porsche dealer.
e Check the battery level of the tire pressure sen-
sors when changing tires. Visit an authorized
Porsche dealer. Porsche recommends an author-
ized Porsche dealer, as they have trained techni-
cians and the necessary parts and tools.
> Please refer to the vehicle registration docu-
ments or the "Technical data" section of this
manual.
Information
If new tires are installed only on one axle, a notice-
able change in handling occurs due to the different
tread depth of the other tires. This is especially the
case if only the rear tires are replaced. However, this
effect is reduced continuously as the new tires are
broken in.
Check and replace valves and
valve caps
e Use only genuine Porsche valves for the Tire
Pressure Monitoring System (TPMS).
e Have the valves checked and replaced if neces-
sary whenever the tires are changed. Porsche
recommends an authorized Porsche dealer, as
they have trained technicians and the necessary
parts and tools.
In the absence of valve caps the valve is unprotected
from dust and dirt, resulting in leaks.
e Always screw on valve caps tightly to protect
valve inserts from dirt. Dirty valve inserts can
cause creeping air loss.
e Replace missing valve caps immediately.
e Use only plastic valve caps.
Using snow tires
Exceeding the maximum
WARNING
permitted speed
Exceeding the maximum permitted speed can cause
tires to burst.
e Observe the maximum permitted speed for the
tire.
e Snow tires with a maximum permitted speed
rating that is lower than the specified maximum
vehicle speed may only be fitted if they bear the
Wheels and Tires
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