130
Driving and Operation
The legally permissible minimum tread
depth (1.6 m m) has been reached when
the tread has worn down as far as one
of the w ear indicators (TWI
1)
). A number
of wear indicators are spaced at equal
intervals around the tyre within the tread.
Their position is indicated by markings on
the tyre sidewall.
General information
z
The risk of aq ua planing is greater if the
tyres are worn.
z
Tyres age, even if they a re used only very
little or not at all. A spare wheel which
has not been used for six years should
be used only in emergencies; drive slowly
when using suc h tyres.
z
Never fit used tyres the prev ious history
and use of w hich you do not know.
z
So as not to im pair brake cooling , use
only wheel trims app rov ed for use on
your vehicle.
Tyre d esigna tions
Meaning s:
e.g. 185/55 R 15 82 H
Speed code letters:
1)
TWI
=
T
read
W
ear
I
ndicator.
185 =
Tyre w idth in mm
55 =
Cross-section ratio
(tyre depth to width in %)
R
=
Belt typ e R a dial
15 =
Wheel diam eter in inc h
82 =
Load index
e.g. 82 c orresponds to 475 k g
H
=
Speed c od e letter
Q
up to 100 mp h (160 km/h
)
S
up to 112 mp h (180 km/h
)
T
up to 118 mp h (190 km/h
)
H
up to 130 mp h (210 km/h
)
V
up to 150 mp h (240 km/h
)
W
up to 168 mp h (270 km/h
)
Содержание 2009 Tigra
Страница 1: ...TIGRA Operation Safety and Maintenance Owner s Manual ...
Страница 2: ...VAUXHALL Tigra Operation Safety Maintenance ...
Страница 10: ...6 In Brief ...
Страница 192: ...188 Service Maintenance ...