Tires & Wheels
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Introductlon
Understanding Tire Markings
Vehlcle Overvlew
Openlng & Closlng
Seotlng & Solety Rostralnt$
Drlvlng & Operatlng
Advanced Drlver Asslstance
Systems(ADAS)
Infotalnmenl
Hlgh-voltage Battery Pack &
Charglng
Federal law requlres tlre manufacturers lo place standardlzed Informatlon on the
sld8wall of all Ilres. This Informallon Sdenllfies and descrSbes Ih8fundamenlal
characterlstlcs of the tlre and also provldeslhe tlre Id•ntificallon number {TIN} for
safety standard certlficatlon and In case of a recall.
Malntonan¢e
Tlr•8 & Who018
1.Treadweargrada
Tlre Informatlon
Thls number Indlcatesthe tlre's wear rate. See
Understandlng Tlre Marklngs
2.Trictlon grade
Thls letter IndScales a tSr8'8 abllltyto stop on wel pavement. See ll[[I
Inl¢rnatl¢nol TlreApprovol Marks
Unlform Tlre Quallty Gradlng
3.Temperature grade
Th1$ letter Indlcotes a tlre's heat re$lstonce grodlng. See ulf[
Tlre and Loadlng Informatlon Lobel
Tlro Camand Malnt•nan¢e
4.Tlre catagory
P Indlcates the tSre Is a P-metrlc type, deslgnated for passenger vehScles,
following the design standards of the U.S. Tire & Rim Associalion IT&RAI.Tir8s
wlthoutthe P deslgnatlon are Euro-metrlc type. followlng the deslgn standards of
the European Tyre & Rlm Technlcal Organizatlon IETRTO).
Tlro Pro$$ur• Monltorlng Sy8tem
Tlra Repolr
Vehlcle Loadlng
5.Tlr8 wldth
This three-digit number gives the widih in millimeters of th8tire section, as
definedfrom sidewoll edgetosidewall edge
GIos8aryofTerm
Teehnlcal Data
6.A8pect ratlo
Thls two-diglt number. also known asthe profile. gives the sldewall helght as a
percentage of the section width. So, if the section width is 205 mm, and the
ospect rolio is SO, the sidewoll height will be102 mm.
Roadslde Asslstance &
Emergency Informallon
Consumer Information
7. Tlre constructlon
R indicates that thetire is of Radial pty construction.
