Maintenance
Tire speed ratings
3. Checking tire life (TIN :Tire
Identification Number)
WARNING - Tire age
Tires degrade over time, even
when they are not being used.
The chart below lists many of the dif-
ferent speed ratings currently being Any tires that are over 6 years old,
used for passenger car tires. The based on the manufacturing date,
speed rating is part of the tire size (including the spare tire) should be
designation on the sidewall of the replaced by new ones. You can find
tire. This symbol corresponds to that the manufacturing date on the tire
tire's designed maximum safe oper- sidewall (possibly on the inside of the
Regardless of the remaining
tread, it is recommended that
tires generally be replaced after
six (6) years of normal service.
Heat caused by hot climates or
frequent high loading condi-
tions can accelerate the aging
process. Failure to follow this
warning can result in sudden
tire failure, which could lead to
a loss of control and an acci-
dent involving serious injury or
death.
ating speed.
wheel), displaying the DOT Code.
The DOT Code is a series of num-
bers on a tire consisting of numbers
and English letters. The manufactur-
ing date is designated by the last four
digits (characters) of the DOT code.
Speed
Rating
Symbol
Maximum Speed
S
T
H
V
Z
112 mph (180 km/h)
118 mph (190 km/h)
DOT : XXXX XXXX OOOO
130 mph (210 km/h)
The front part of the DOT means a
plant code number, tire size and
tread pattern and the last four num-
bers indicate week and year manu-
factured.
149 mph (240 km/h)
Above 149 mph (240 km/h)
4.
Tire ply composition and material
The number of layers or plies of rub-
ber-coated fabric in the tire. Tire
manufacturers also must indicate the
materials in the tire, which include
steel, nylon, polyester, and others.
The letter "R" means radial ply con-
struction; the letter "D" means diago-
nal or bias ply construction; and the
letter "B" means belted-bias ply con-
struction.
For example:
DOT XXXX XXXX 1612 represents
that the tire was produced in the 16th
week of 2012.
7
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| Categories | Hyundai Manuals, Hyundai Sonata Manuals |
|---|---|
| Download File |
|
| Document Type | Owners Manual |
| Language | English |
| Product Brand | Hyundai, Sonata |
| Document File Type | |
| Copyright | Attribution Non-commercial |
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