inflation pressure Seat Mii 2014 Owner's manual

Advice
will be correct for your vehicle. For other tyre
models, the tyre vendor should provide the
manufacturer's certificate with the tyre, indi-
cating that this type of tyre is suitable for
your vehicle. This certificate should always
be carried with the vehicle.
Tyre pressures
Fig. 115
Position of tyre pressure specifica-
tion plate The correct tyre pressures for tyres fitted at
the factory is shown on a label and is valid
for summer and winter tyres. The label ›››
Fig. 115 is located on the driver's door pil-
l ar
.
Under-inflation or over-inflation will reduce
the life of the tyres considerably and also im-
pair the car's handling ››› . It is essential to
maintain the correct tyre pressures, especial-
ly if driving at high speeds. Incorrect tyre
pressure causes premature wear and could
cause tyre blow-out.
The pressure should therefore be checked at
least once a month and before starting a
journey.
As a general rule, the pressures given are for
cold tyres . When the tyres are hot, the pres-
s ur

es are greater.
Never deflate a hot tyre in order to obtain the
required pressure. This could result in very
low tyre pressures which may lead to sudden
blow-outs.
Checking tyre pressures
Check tyre pressures only when the vehicle
has not been driven for more than a few kilo-
metres at low speeds in the past three hours.
● The tyre pressures should be checked regu-
larly, and only when the tyres are cold. Al-
ways check all tyres, including the spare
wheel. Tyre pressures should be checked
more often in colder regions, and only when
the vehicle has not been driven recently. Al-
ways use a correctly-operating tyre gauge. ●
Adjust tyre pressures to the loads carried in
the vehicle.
● After adjusting the tyre pressure, check that
the caps are properly screwed on.
The
spare wheel or temporary spare wheel
must be at the maximum pressure specified. WARNING
If tyre pressures are too high or too low, the
tyre may deflate or burst suddenly while driv-
ing. This could result in a serious accident.
● If the tyre pressure is too low, they could
overheat, resulting in tread detachment or
even burst tyres.
● When driving at high speeds and/or fully
loaded, the tyre could suddenly overheat,
burst or be subject to tread detachment, with
the resultant loss of control of the vehicle.
● Tyre pressures which are too high or too
low reduce the service life of the tyre, affect-
ing the vehicle's performance.
● Tyre pressures should be checked regularly,
at least once a month and before long jour-
neys.
● Adjust the pressures of all the tyres to the
vehicle load.
● Never deflate excess pressure from hot
tyres. 162

Wheels and tyres
Tyre code Fig. 119
Universal code on tyres Radial
Rim diameter code
Load index & speed rating
DOT tyre identification number
Severe snow conditions
Tyre ply composition and materials used
Max. load rating
Treadwear, traction and temperature
grades
Max. permissible inflation pressure
Passenger car tyre
Nominal width of tyre in millimetres
Ratio of height to width (aspect ratio)
1 2
3
4
5
6
7
8
9
10
11
12Tyre code (example)Meaning
Make, logotypeManufacturer
Product nameName of tyre assigned by manufacturer.
P255 / 55 R 18Size:
PPassenger vehicle code.
255Nominal width between walls, in mm.
55Height/width ratio in %
RTyre type (R indicates "radial").
18Rim diameter in inches»
167
Technical specifications
Advice
Operation
Safety

AdviceTyre code (example)Meaning
109 HLoad index
››› page 169 and speed rating ››› page 169.
XLReinforced tyres (“Reinforced”).
M+S or M/S or Winter tyres code (mud and snow tyres).
RADIAL TUBELESSRadial tyre without inner tube.
E4 ...E-mark certifying tyre complies with international legislation followed by a number denoting the country granting the au-
thorisation. The authorisation number ( several digits) is shown below.
DOT BT RA TY5 1709Tyre identification number (TIN a)
, may be only on interior wall of wheel) and date of manufacture:
DOTThe tyre complies with the legal requirements of the US Department of Transport, responsible for tyre
safety regulations.
BTPlace of manufacture code.
RAInformation about manufacturer and tyre size.
TY5Manufacturer's tyre specifications.
1709Date of manufacture: Week 17 of 2009.
TWIThis identifies the position of the Tread Wear Indicator ››› page 163.
Made in GermanyCountry of manufacture.
MAX LOAD 615 KGUS load rating, indicating maximum permitted load per tyre.
MAX INFLATION 350 KPA (51 PSI)US limit, indicating maximum permitted tyre pressure.
SIDEWALL 1 PLY RAYONInformation about tyre wall components:
1 layer of rayon (artificial silk).
TREAD 4 PLIES
1 RAYON + 2 STEEL + 1 NYLONInformation about tread components:
In the example, there are 4 layers below the tread: 1 layer of rayon (artificial silk), 2 layers of steel reinforcement and 1
layer of nylon.
Information for the end consumer concerning the comparative values of the established base tyres (standardised test procedures) ››› page 134: 168