Ferrari 2012 F12 Berlinetta Owner's Manual page 32

2) EXTRA LOAD: tyre with a high load capacity
3) Maximum load permissible, indicated in kg and pounds, and
maximum inflation pressure permissible, indicated in kPa and psi.
4) TUBELESS: the tyre has no air chamber
5) RADIAL: radial tyre
6) Details of materials used to construct the tread and tyre side
wall.
7) DOT XX YY ZZ NNNN
DOT (Department Of Transportation) specifications: marking
relative to US regulations, with information on the manufacturer,
production site, tyre type and size. The last four digits, in a box,
indicate the date of manufacture: 1011 means that the tyre was
manufactured in the 10 week of 2011.
th
Warning
Ensure that tyres are not kept in stock for more than 4 years
from the date of manufacture. The maximum limit for keeping
tyres in stock is 4 years provided they are kept away from
sunlight, bad weather and damp and where there is a low
oxygen content.
8) Uniform Tire Quality Grading: standard, defined by the US
Department of Transportation, that classifies tyre performance in
terms of treadwear, traction and temperature resistance.
For further information on tyres, see page 243.
General
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