tire size Acura RL 2007 User Guide

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Whenever tires are replaced, they
should be replaced with tires of the
same size. Following is an example
of tire size with an explanation of
what each component means.
Vehicletype(Pindicates
passenger vehicle).
Tire width in millimeters.
Aspect ratio (the tire’s section
height as a percentage of its
width).
Tire construction code (R
indicates radial). Rim diameter in inches.
Load index (a numerical code
associated with the maximum
load the tire can carry).
Speed symbol (an
alphabetical code indicating
the maximum speed rating).
The tire identif ication number (TIN)
is a group of numbers and letters
that look like the f ollowing example
TIN. TIN is located on the sidewall
of the tire.
The tires that came on your vehicle
have a number of markings. Those
you should be aware of are described
below.
Date of manufacture.Tire type code.
Max Press The maximum air pressurethetirecan
hold.
Manuf acturer’s
identification mark.
This indicates that the tire
meets all requirements of
the U.S. Department of
Transportation. Max Load The maximum load the
tire can carry at
maximum air pressure.
P
R V
DOTFW6X
2202
245
50 17
98
B97R
Tire Labeling
Tire Size T ire Ident if icat ion NumberMaximum T ire Pressure
Maximum T ire L oad
464
P245/50R17 98V DOT B97R FW6X 2202
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Load index (a numerical code
associated with the maximum
load the tire can carry).
Speed symbol (an
alphabetical code indicating
the maximum speed rating).
The PAX system tires have dif f erent
markings f rom conventional tire
markings. Following is an example of
PAX system tire size with an
explanation of what each component
means.
Symmetric Nominal diameter at the rim
seat in millimeters. Tire construction code (R
indicates radial) Outside diameter of the tire in
millimeters. Tire width in millimeters.
A R
460 680 245 102
V
If equipped
Tire Labeling (PAX System Tires)
PA X System T ire L abeling
Technical Inf ormation
465
TM
245-680R460A 102V
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Each tire, including the spare (if
provided), should be checked
monthly when cold and inf lated to
the inf lation pressure recommended
by the vehicle manuf acturer on the
vehicle placard or tire inf lation
pressure label.
(If your vehicle has tires of a
dif f erent size than the size indicated
on the vehicle placard or tire
inf lation pressure label, you should
determine the proper tire inf lation
pressure f or those tires.)As an added safety feature, your
vehicle has been equipped with a tire
pressure monitoring system (TPMS)
that illuminates a low tire pressure
telltale
when one or more of your tires is
signif icantly under-inf lated.
Accordingly, when the low tire
pressure telltale illuminates, you
should stop and check your tires as
soon as possible, and inflate them to
the proper pressure.Driving on a signif icantly under-
inf lated tire causes the tire to
overheat and can lead to tire failure.
Under-inf lation also reduces f uel
efficiency and tire tread life, and may
af f ect the vehicle’s handling and
stopping ability.
Please note that the TPMS is not a
substitute for proper tire
maintenance, and it is the driver’s
responsibility to maintain correct tire
pressure, even if under-inf lation has
not reached the level to trigger
illumination of the TPMS low tire
pressure telltale.
Tire Pressure Monitoring System (TPMS) Required Federal Explanation
466
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