AUDI Q3 2015 Owners Manual

Page 191 of 258

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Brake fluid
Checking brake fluid level
The brake fluid level can be checked with a
quick glance.
N
N
;:;;
" 03
"'
Fi g. 149 Eng ine compartment: Cover on the brake flu ­
id reservoir
Before you check anything in the engine com­
partment,
a lwa ys read and heed all WARN­
ING S c:> .&.. in Working in the engine compart­
ment on page 179 .
~ Read the brake fluid level from the brake
fluid reservoir
c:> fig. 149, <=> page 181,
fig . 145.
The brake flu id level must be be­
tween the "MIN" and "MAX" markings.
The brake fluid reservoir is located at the rear
partition of the engine compartment on the
left side <::;>
page 181 .
The fluid level may drop slightly after some
time due to the automatic adjustment of the
brake pads . This is not cause for alarm .
If the brake fluid level falls
considerably be­
low the "MIN" mark, the brake warning/indi­
cator light (USA models: ., Canada models:
• will come on
<::;> page 13. Do not continue
to operate the vehicle . The complete brake
system should be thorough ly checked by an
author ized Audi dealer or qua lified workshop
and the cause corrected.
If the brake fluid lev­
e l is too low, the brake warning/indicator ligh t
will illuminate . Contact an authorized A ud i
dealer
immediately.
@ Tips
The brake f luid reservoir is located under­
neath the cover .
Checking and fillin g 189
Changing brake fluid
Have the brake fluid changed by on experi­
enced technician.
Brake fluid absorbs moisture from the air. If
the water content in the brake fluid is too
high, corrosion in the brake system may result
after a period of time . The boiling point of the
brake flu id will also dec rease considerably and
decrease braking pe rformance.
Therefore, the brake fluid must be changed
ev ery two years. Always use new brake flu id
which conforms to Federal Motor Vehicle
Standard "F MVSS 116 DOT 4".
The brake fluid reservo ir can be d iff icult to
reach, the refore, we recommend that you
have the brake fluid changed by your author­
i zed
Audi d ealer. Your dealer has t he correct
tools, the right brake fl uid and t he know-how
to do this for you .
A WARNING -.
-Brake fluid is poisonous . It must be stor­
ed only in the closed original container
out of the reach of children!
- Brake failure can resu lt from o ld or inap­
propriate brake f luid. Observe these pre­
cautions:
- Use only brake fluid that meets SAE
spe cificat ion
J 1 7 03 and conforms to
Federa l Moto r Ve hicl e Standard 116.
Always check with yo ur authorized Audi
dealer to make sure yo u are using the
correct bra ke fluid. The correct type of
brake f luid is also indicated on the
brake f luid reservoir.
- The brake fluid must be new. Heavy use
of the brakes can cause a vapor lock if
the brake fluid is left in the system too
l ong . This can seriously affect the effi­
c iency of the brakes as well as your
safety. This cou ld resu lt in an accident.
(D Note
Brake fluid will damage the paint of your
vehicle .

Page 192 of 258

190 Checking and filling
@ For the sake of the environment
Because of the problem of proper disposa l
of brake flu id as we ll as the special tools
req uired and the necessary expert ise, we
recommend that you have the b rake fluid
changed by your author ized Audi dealer.
Battery
General information
Unde r normal operating conditions, the bat ­
tery in your A udi does not need any mainte ­
nance. With
high outside temperatures or
long daily dr ives we recommend that you have
the elect ro lyte level checked by an authorized
Aud i dea ler o r qualified workshop . The elec­
trolyte leve l sho uld a lso be c hecked each t ime
the battery is c harged
c::> page 192.
H ave the battery checked when you take your
ve hicle in for service . Yo u are well adv ised to
replace a bat tery that is older tha n 5 yea rs .
W ith certa in types of a irbag deployment, t he
battery is d isconnected from the vehicle elec­
tr ica l system fo r safety reasons
c::> & in Re ­
pair, core and disposal of the airbags on
page 126.
Disconnecting the battery terminals
Some veh icle functions (power w indow regu­
lato rs, for example) are lost if the battery ter­
m inals a re discon nected. These functions have
to be re lea rned after the batte ry terminals a re
c onnec ted agai n. T o prevent this, the battery
should o nly be di sconnec ted from the vehicle
e lec trica l syste m when absolu tely necess ary
for repairs.
Vehicles not driven for long periods
I f yo u do not dr ive you r vehicle over a pe riod
of severa l days or weeks, elec trical co m po­
n en ts are gr adually cu t back o r swi tched off .
T his reduces energy cons ump tion and main ­
tains sta rting capab ility over a lon ger perio d
c::> page 159 .
Some o f the conven ien ce f unct ions m ay no t
ope rate, su ch as the in ter ior lights o r the power seat adjus
tment . The convenience
funct ions wi ll be available again when yo u
tu rn on the ign ition and sta rt t he engine .
Winter operation
During the w inte r mon th s, batt ery c apac ity
tends to dec rease as tempera tures drop . This
is beca use more power is a lso consumed w hile
starting, and the headlights, rear win dow de­
f ogger, etc., are used more often.
Avoid unnecessa ry powe r consumpt ion, pa r­
ticu lar ly in ci ty traffic o r when traveling only
sho rt distances . Let yo ur autho rized A udi
dealer check the capacity of the vehicle bat ­
tery before w inter sets in
<=:> page 192. A well
charged battery will not on ly prevent starting
problems when the weather is cold, but w ill
also last longer .
@ Tips
If your vehicle is left standing for seve ral
w eeks at extremely low temperatures, the
vehicle battery s hou ld be removed and
s tored w her e it w ill not freeze. This will
preve nt i t fr om be ing d amaged and having
t o be repla ced .
Working on the battery
Be especially careful when working on or near
the battery.
T he battery is loc ated in the luggage compar t­
ment under the floo r. B efo re you che ck any­
t hi ng in the luggage co mpartmen t,
read and
heed all WARNINGS
c::> .&_ .
Always heed t he safety warnings , when work­
i ng on the veh icle ba tte ry or the vehicle e le c­
t ric al sys tem to p reven t inju ry.
The following WARNINGS are very
important when working on the battery:
Always heed the following WARNING SYM ·
BOLS and safety precautions when working
on the battery .
®
Always wear eye protection .

Page 193 of 258

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&
Battery acid contain s sulfuric acid. Al ·
wa ys wear glove s and e ye protection .
@
No
· sparks
- flame s
- smoking .
~
When a battery i s ch arged, it p roduce s
. hy drogen g as whi ch i s exp losive and
could cau se per sonal inju ry.
®
Always keep the batt ery well out of
re ach of children .
A WARNING
Whenever working on the battery or on
the electrical system, there is the r isk of
injury, acc ident and even fire. Read and
heed the following WARNINGS :
- Always wear eye protection. Do not let
battery acid or any lead particles get on
your sk in or cloth ing. Sh ield your eyes .
Explosive gases can cause blindness o r
other injury.
- Battery acid contains sulfuric acid . Sulfu­
ric acid can cause blind ness and severe
burns.
- Always wear gloves and eye p rotection.
Do not tilt the battery because ac id
could leak out of the vent ilation open ­
ings.
- If you get battery acid in yo ur eyes or
on your sk in, immed iately r inse with
cold water for severa l m inutes and get
medical attention.
- If you should ingest any battery acid,
seek med ica l attention immediately.
- Do not expose the battery to an open
flame, electric sparks or an open light.
- Do not smoke.
- Do not interchange the positive and neg-
ative cab les .
- When working on the battery, be sure
not to short-circuit the terminals with
tools or other metal objects. This would cause the battery to heat up very quickly,
wh ich could lead to damage or explosion
and personal injury.
-
Checkin g and fillin g
-When a battery is charged, it produces
hyd rogen gas which is explos ive and
could cause personal injury.
- Always keep the battery well out of the
reach of children.
- Before work is done on the elect rical sys ­
tem, disconnect the negative ground ca­ ble.
- Before performing any work on the e lec­
trical system, switch
off the eng ine and
ignit ion as well as any electrical equip­
ment. The negative cable on the battery
must be disconnected. If yo u are just go­
ing to replace a light bulb, then it is
enough to switc h
off the lights.
- Before disconnecting the battery, switch
off the anti-theft alarm system! Other­
wise you wi ll set
off the al arm.
- When disconnecting the battery, first
discon nect the negat ive cab le and then
the posit ive cab le.
- Before reconnecting the batte ry, ma ke
sure all e lectr ica l consumers are sw itch ­
ed off . Re connect the pos it ive cable first
and then the negative cable. Neve r in ter ­
change the cables -this could start a fire!
- Never cha rge a frozen or a thawed-out
battery.
It could exp lode! If a battery has
frozen, then it must be replaced . A dis­
charged battery can freeze over at 32°F
(QOC).
- Make s ure the vent hose is always attach­
ed to the opening on the side of the bat­
tery.
- Never use batteries which are damaged.
There is the danger of an explosion! A l­
ways rep lace a damaged batte ry.
A WARNING
Ca lifornia Proposition 65 Warning:
- Battery posts, terminals and related ac­
cessories conta in lead and lead com­
pounds, chemicals known to the State of
Ca lifornia to cause cance r and reproduc­
tive problems. Wash hands after han- dling.
~
19 1

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192 Checking and filling
(D Note
- Do not disconnect the vehicle battery
when the ignition is switched on or when
the engine is running, otherwise, you will
damage e lectronic components i n the
electrical system.
- If your vehicle is going to stand for a
long period of time without being driven,
protect t he battery from "freezing", oth­
e rwise it w ill be damaged and w ill then
have t o be repla ced.
Battery charging
Starting the engine requires a well charged
battery.
Fig. 150 Eng ine compartment: Connectors for charger
a nd jumper cables
Always read and heed all WARNINGS be low
c::> & and c::> & in Working on the battery on
page 191 .
•Turnoff th e ignit ion and all electrical con­
sumers.
• Make sure the area is well vent ilated when
yo u cha rge the battery .
• Ope n the engi ne hood
c::> page 179.
• Open the cove r o n the pos it ive pole
c::> fig. 150.
• Connect the charger connectors according to
the instructions to the
jump start bolts.
(Bo lts under the cover = "positive", Bolts
with hex head= "negative").
• Only now plug the mains lead for the charg­
i ng equipment into the wall outlet and turn
i t on
c::> .&,. .
• Make sure the charging rate is not over
30 amps /14.8 Volt .
• When the battery is fully charged: Turn the
charging equipment off and remove the
mains lead from the wall out let.
• Now remove the clamps for the charging
equ ipment.
.,. Close the cover on the positive pole .
.,. Close the hood
c::> page 179 .
A discharged battery can freeze at tempera­
tures of only 32 °F (0 °C). Allow a frozen bat­
tery to thaw comp letely before attempting to
charge i t
c::> .&.. However, we recommend not
u sing a thawed batte ry aga in because the ba t­
te ry casing can be c racked due to i ce fo rm a­
t io n an d can leak battery a cid.
Battery charging (Maximum charging rate
of
30 amps/14.8 Volt)
When charg ing at low vo lta ges (e.g. wi th a
trickle charger ), the ba tte ry cables do not
have to be disconnected f irs t. T he bat tery
caps should
not be opened when charg ing a
battery .
It is no t necessa ry to remove the b attery from
the luggage compartmen t.
Fast charging the battery (charging rate
above 14 .8 Volts)
F or te chnica l re asons do not use a batt ery
ch arger that uses voltage greater than
14 .8
Volts to c harge yo ur vehicle's battery.
A WARNING
.------
C harging a battery can be dangero us.
-A lways follow the operati ng instr uctions
p rovi ded by the battery charger manu ­
facturer when charg ing your battery.
- Never charge a frozen batte ry . It may ex­
p lode because of gas trapped in the ice.
Allow a frozen battery to thaw out f irst.
- Do not reuse batteries w hich were fro­
zen. The battery housing may have
cracked and weakened w hen the battery
froze .
- Charge the battery in a we ll ventilated
area. Keep away from open flame or elec­
tr ica l spark. Do not s moke. Hydrogen gas
genera ted by t he battery is explos ive .

Page 195 of 258

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-To r educe the danger of explosion, never
connect or disconnect charger cables
while the charger is operating.
- Fast charg ing a battery is dangerous and
should only be attempted by a compe­
tent technician w ith the proper equip­
ment .
- Battery acid that may spill during charg­
ing should be washed
off with a solution
of warm water and baking soda to neu ­
t ralize the acid .
Never use a fast charger as a booster to
start the engine . This will seriously dam­
age sensitive elect ronic components, such
as control units, relays, radio, etc. , as we ll
as t he battery charger.
Battery replacement
The new battery must have the same specifi­
cations and dimensions as the original equip­
ment battery.
Intell igent energy management in your veh i­
cle is respons ible for d istr ibuting the e lectr i­
cal energy throughout you r vehicle
¢ page 159. The inte lligen t en ergy ma nage­
men t system w ill keep the engine b attery
charged be tter then vehicles w ithout this sys­
tem . To make sure t he additional e lectrica l e n­
ergy is available once again after you have
changed t he battery, we recommend that you
install ba tteries of the same type and man u­
facture only (the same as t hose installed at
the t ime your vehicle was delivered) . Specifi­
cations a re listed on the battery hous ing . You r
author ized Audi dealer must code the bat tery
in the energy management system to enable
you to use the energy management functions
correctly after rep lac ing the battery .
I f it is not poss ible to use a battery of this
type, the new bat tery mus t have the s ame ca­
pacity, vo ltage ( 12-volts), ampe rage, con­
struction and pl ug sea ling.
Checkin g and fillin g 193
When installing the battery, make su re the ig ­
nition and a ll electrical consume rs a re turned
off.
Q) Note
M ake sure the ven tilat ion hose on the side
of the batte ry is connecte d, otherwise
fumes o r batte ry acid can leak out .
@ For the sake of the environment
Because o f the p rob lem of proper disposal
of a battery, we recommen d your author­
i zed A udi dealer change the battery for
you. Batteries contain sulfur ic acid and
l ead and must always be disposed of prop­
erly in comp liance with a ll environmental
r egula tions . Dispos ing of vehicle batter ies
i mprope rly is v ery dange rous to th e envi­
r o nmen t.
Windshield washer
container
Fi g. 151 En gin e co mpa rtm en t: Cove r o n th e wind­
s hi eld was her fluid conta in e r
The washer fluid conta iner is mar ked w ith the
symbol
O on its cap ¢ fig . 151, ¢page 181,
fig . 145.
.. Before yo u check any thing in t he engine
compa rtment,
alwa ys re ad and heed all
WARNINGS ¢ & in Working in the engine
compartment on page 179 .
.. Lift the fi ller cap tongue to add washer flu ­
id. You can f ill the container to t he top.
.. Press the cap back o nto the fi lle r neck after
filling the co nta iner .
You can find the reservo ir
capacity in the table
in
¢ page 235. 111>

Page 196 of 258

194 Checking and filling
Clean water sho uld be used when filling up. If
possible, use soft water to prevent scaling on
the washer jets. Always add a glass cleaner
solut ion (w ith frost protection in the w inter) .
Do not mix engine coolant antifreeze or
any other additives to fill up the wind­
shie ld washer reservoir.

Page 197 of 258

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Tires and wheels
Tires
General notes
Tires may be the least appreciated and most
abused parts of a motor vehicle .
Tires may be the least appreciated and most
abused parts of a motor vehicle . Tires are,
however, one of the most important parts of a
vehicle, particularly considering the compara­
tively small patch of rubber on eac h tire that
assures that a ll- important contact between
you, you r vehicle and the road.
Ma intaining the correct tire pressure, mak ing
sure that your vehicle and its tires do not have
to carry mo re weight than they can safely han­
d le, avoiding damage from road hazards and
r eg ularly inspec ting t ires for damage i nclud­
ing cuts, slashes irreg ular wear and ove ra ll
condition are the most important things that
you can do to he lp avoid sudden tire failure in­
cluding tread separat ion and blowouts.
Avoiding damage If you have to d rive over a curb or similar ob­
stacle, drive very slow ly and as close as possi ­
b le at a right angle to the curb.
A lways keep chemicals includ ing grease, o il ,
gasoline and brake fluid off the t ires .
I nspect the t ires regularly for damage (cuts,
cracks or b listers, etc.). Remove any fo reign
bod ies embedde d in the treads.
Storing tires Mark tires when you remove them to indicate
the direction of rotation . T his ensures you to
be ab le to mount them correctly when you re­
i nstall them .
When removed, the whee ls or t ires should be
sto red in a cool, d ry and preferably dark place .
Store tires in a vertical pos ition if they are not
mounted on rims, in a horizontal pos it ion if
they are mounted on rims .
Tires an d wheel s 195
New tires
New tires h ave to be broken in ¢ & .
The tread depth of new t ires may vary, accord­
ing to the type a nd make of t ire and the tread
pa tte rn.
Hidden damage
Damage to tires and rims is ofte n not readily
visible . If you notice unusual v ib rat io n or the
vehicle p ulls to one s ide, th is may ind icate
that one of the t ires has been damaged . T he
ti res m ust be chec ked immed iate ly by an au­
t horized Audi dea le r or q ua lified wor kshop .
Unidirectional tires
A un idirectional tire can be identified by ar­
rows on the sidewa ll, that po int in the direc­
tion the t ire is designed to rotate. You mus t
f ol low the specified d irection o f rotation . T his
is necessary so that these tires can develop
their optimum characteristics regarding grip, road noise, wear and hydrop laning resistance.
For more information
¢page 223.
A WARNING
New tires or t ires that are o ld, worn or
damaged cannot provide maximum con­
trol and braking ability .
-
-New tires tend to be slippery and must
also be b roken-in. To reduce the risk of
losing control , a collision and serious
pe rsonal injuries, drive w it h special care
for the first 350 miles (560 km).
- Driving with worn or damaged tires can
lead to loss of control, sudden tire fail­
ure, including a blowout and sudden de­
fl ation, c ras hes and se riou s personal in­
juries . Have wo rn or damaged t ires re­
placed immediate ly.
- Ti res age even if they are no t being used
an d can fai l sudden ly, especially at hig h
spee ds. Tires that are more than 6 years
old can only be used in an emergency
and then w ith special care and at low
speed.

Page 198 of 258

196 Tire s and wheel s
-Never mount used tires on yo ur vehicle if
yo u are not sure of their "previous histo­
ry." Old used tires may have been dam­
aged even though the damage cannot be
seen that can lead to sudden t ire failure
and loss of vehicle control.
- If you notice unusual vibration or if the
vehicle pulls to one side when driving, al­
ways stop as soon as it is safe to do so
and check the wheels and tires for dam­
age.
(D Note
- Please note that summer and winter
tires are designed for the cond itions that
a re typ ica l in those seasons. Aud i recom-
Glossary of tire and loading terminology
Accessory weight
means t he comb ined we ight (in excess of
those sta ndard items wh ich may be rep lace d)
of automa tic transmission, power s teering ,
power brakes, power wi ndows, power seats,
radio, and heater, to the extent that thes e
items are availab le as factory-installed equip­
ment (whether ins talled or not) .
Aspect ratio
means the ratio o f the height to the width of
the tire in percent. Numbers of 55 or lower in ­
d icate a low sidewall for improved steer ing re ­
sponse and better overall handling on dry
pavement.
Bead
means t he pa rt of the tire that is made of
steel wires, wrapped or reinforced by ply cords
and that is shaped to fit the rim .
Bead separat ion
means a b reakdown of the bond between
components in the bead.
Cord
means the strands forming the plies in the
tire. mends using winter tires during the w
in ­
ter months. Low temperatures signifi­
cantly decrease the elastic ity o f summe r
tires, which affects traction and braking ability . If summer tires are used in very
co ld temperatures, cracks ca n form o n
the tread bars, resu lting in permanent
tire damage that can cause lo ud driving
noise and unbalanced tires. Aud i is no t
responsib le for this type of d amage .
- Burn ished , polished or chromed rims
must not be used in winter road condi ­
tions. The s urface of the rims does not
have s uff ic ient corrosion protection for
this and could be permanently damaged
by road sa lt o r similar substances .
Cold tire inflation pressure
means the t ire p ress ure recommended by the
vehicle m anufacture r fo r a tire o f a des ign ated
s ize that has not been d riven for more than a
coup le of miles (ki lometers) at low speeds in
the three hour period before the tire p ress ure
is measured or adjusted .
Curb weight
means the we ight of a motor ve hicl e w ith
standard equipment including the maximum
capac ity of fuel, oi l, and coolant, air condi­
tion ing and additional weig ht o f optiona l
equipment.
E x tra load tire
means a t ire design to operate at higher loads
and at higher inflation pressures than the cor ­
responding standa rd tire . Extra load tires may
be identified as "XL", "x l" , "E X TRA LOAD", or
"RF" on the sidewall.
Gross Axle Weight Rating ("GAWR ")
means the load-carrying capa city of a s ingle
axle system, measured at the tire-ground in-
terfaces.
liJJ>

Page 199 of 258

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Tires and wheels 197
Gross Vehicle Weight Rating ("GVWR") Ply
means the maximum total loaded weight of
the vehicle .
Groove
means the space between two adjacent tread
ri bs.
Load rating (code)
means the maximum load that a tire is rated
to carry for a given inflat ion pressure . You
may not find this informat ion on all tires be­
cause it is not requ ired by law.
Maximum load rating
means the load rating for a t ire at the max i­
mum permissible inflation pressure for that
tire .
Maximum loaded vehicle weight
means the sum of:
(a) Curb weight
(b) Accesso ry weight
(c) Vehicle capacity weight, and
(d) Production opt ions we ight
Maximum (permissible) inflation pressure
means the maximum co ld inf lation pressure
to which a tire may be inflated . Also called
"maximum inflation pressure."
Normal occupant weight
means 150 lbs . (68 kilograms) times the
number of occupants seated in the vehicle up
to the tota l seating capacity of your vehicle.
Occupant distribution
means distribution of occupants in a veh icle.
Outer diameter
means the overall diameter of an inflated new
tire .
Overall width
means the linear distance between the exteri­
ors of the sidewalls of an inflated tire, includ­
ing e levations due to labeling, decorations, or
protective bands or ribs. means a layer of
rubber-coated parallel cords.
Production options weight
means the combined weight of those installed
regular production opt ions we ighing over 5
lbs. (2.3 kg) in excess of those standa rd items
which they replace, not previously considered
in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and spec ial trim.
Radial ply tire
means a pneumatic tire in which the ply cords
that extend to the beads are laid at substan­
tially 90 degrees to the centerline of the
tread.
Recommended inflation pressure
see r::!;> page 196, Cold tire inflation pressure .
Reinforced tire
means a tire design to operate at higher loads
and at higher inflation pressures than the cor­
responding standard tire. Reinforced tires
may be identified as "XL", "xl", "EXTRA LOAD",
or "RF" on the sidewal l.
Rim
means a metal support for a tire or a t ire and
tube assembly upo n which the tire beads are
seated .
Rim diamete r
means nominal diameter of the bead seat. If
you change your wheel s ize, you wi ll have to
purchase new tires to match the new r im di­
ameter .
Rim size designation
means rim diameter and width.
Rim width
means nominal distance between rim flanges.
Sidewall
means that portion of a t ire between the
tread and bead .

Page 200 of 258

198 Tires and wheels
Speed rating (letter code)
means the speed at wh ic h a tir e is des igned to
be d riven for extended per io d s o f time. The
ratings range from 93 mph (150 km/h) to
186 mph (298 km/h) ¢ page 207 . You may
not find this in format ion on all tires because
it is not required by law.
The speed rating letter code, w here a pplica­
b le, is molded on the tire s idewa ll and indi­
cates the maxim um permissible road speeds
¢ &. in Winter tires on page 211.
Tire pressure monitoring system*
means a system tha t d etects when one or
mo re of a vehicle's t ires are under inflated and
i llum ina tes a low t ire p ress ure warn ing te ll­
tale .
Tread
means t hat port ion of a tire tha t comes into
con tact w it h t he road.
Tread separation
means pull ing away of the t read from the t ire
car cass .
Treadwear indicators (TWI)
means t he projections withi n the pr inc ipal
g rooves designed to give a v isua l ind ication of
the deg rees of wea r of the tre ad . See
¢ pag e 205, Tread W ear Indicator (TWI) for
mo re inf ormat io n on measu ring tire we ar.
Uniform Tire Quality Grading
is a tire i nfo rmation system developed by the
United States Nat io nal Highway Traffic Safety
Admin istration (N HTSA) that is designed to
h e lp buye rs make re lative compa risons among
tires. The UT QG i s no t a safety r ating an d no t a
g uar antee that a t ire will las t fo r a presc ribed
n umber of m iles (kilome ters) or pe rform in a
certain way. It s imply gives ti re bu ye rs addi­
tional informat ion to combine with other con -s
iderations, such as p rice , brand loya lty and
dealer recommendations. Un der UTQ G, tires
are grade d by the t ire manufacturers in three
areas : treadwea r, traction, and temperature
resistance. The UTQG informat ion on the tires,
molded into the sidewalls .
U.S. DOT Tire Identification Number (TIN )
This is the tire's "se ria l numbe r" . It be gins
with the letters "DOT" and ind icates that the
t ir e meets all federa l standards . The next two
numbers or letters ind icate the plant where it
was ma nufactu red, and the last four numbe rs
r eprese nt the week and year of ma nufact ure.
Fo r exampl e,
DOT ... 2214 ...
means that the tire was produced in t he 22nd
wee k of 2014. The ot her numbers are market­
ing codes that may or may not be used by the
t ire manufacturer . This information is used to
contact consumers i f a tire defect requires a
r ecall .
Vehicle capacity weight
means the rated cargo and luggage load p lus
150 lbs. (68 k ilograms) times the vehicle's to­
ta l seating capacity as listed on the label lo­
cated on the driver's side B-pilla r.
Vehicle maximum lo ad on the tire
means that load on an individua l tire that is
determined by distrib uting to eac h axle its
share of the maxim um loaded vehicle weight
and divid ing by two .
Vehicle normal load on the tire
means that load on an individua l t ir e that is
determined by distrib uting to eac h ax le its
share of the curb weight, accessory weight,
and normal occ upant weig ht (d istr ibuted in
accorda nce wit h tab le below¢ page 199)
and divid ing by two .

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