Aston Martin DB AR1 Owner's Manual page 126

crete. A tyre marked 'C' may have poor traction performanc
RNING:
traction grade assigned to this tyre is based on braking (strai
tion tests and does not include cornering (turning) traction.
temperature grades are 'A' (the highest), 'B' and 'C' representin
stance to the generation of heat and its ability to dissipate
ed under controlled conditions on a specified indoor labo
eel. Sustained high temperature can cause the material of
enerate and reduce tyre life, and excessive temperature c
den tyre failure.
grade 'C' corresponds to a level of performance which all pas
s must meet under the Federal Motor Vehicle Safety Standar
des 'B' and 'A' represent higher levels of performance on the
wheel than the minimum required by law.
RNING:
temperature grade for this tyre is established for a tyre that
ated and not overloaded. Excessive speed, under-inflation o
sible tyre failure.