Page 169 of 236

00
00
......
"' ,....
"' ...... 0 0 :::,
00
~ Add coolant mixed in the correct ratio
¢ page 166 up to the upper marking.
~ Make sure that the fluid level rema ins stable.
Add more coolant if necessary.
~ Close the cap securely.
Coolant loss usually indicates there is a leak. Im
mediately drive your vehicle to an authorized
Audi dealer or authori zed Audi Service Facility
and have the cooling system inspected. If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheating
and be ing pushed out of the cooling system.
.&, WARNING
The cool ing system is pressu rized and can be
come very hot. To reduce the r is k of burns
from hot coolant :
- Do not open the coo lant expansion tank cap
when the engine is hot. This increases the risk of burns.
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from es -
caping coolant and steam by covering the
coolant tank cap with a large, thick cloth .
- T urn the coo lant tank cap co unterclo ckwise
slowly and keep light pressu re on the cap .
- T o reduce the risk of burns , do not allow any
antifreeze o r coolant to drip onto the ex
haust system or hot engine components.
T he ethylene glycol in engine coolant can
catch fire under certain circumstances .
- T he coo lant add itive and the coolant can be
dangerous to your health . For this reason,
keep the coolant in the original container
and away from children. There is a risk of
poisoning.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of injury .
Do not add coolant if the expansion tank is
empty. Air could enter the cooling system and
damage the engine. If this is the case, do not
cont inue driv ing . See an authorized Audi deal -
Check ing and Filling
er or authorized Aud i Service Facility for assis
tance .
- Before the start of winter, have your author
ized Aud i dea ler or a uthorized Audi Serv ice
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
for the climate. This is especially important
when driving in colder climates.
- If the appropr iate coo lant add itive is not
availab le in an emergency, do not add any
other additive . You could damage the en
gine. If this happens, only use water and re
store the correct m ixtu re ratio with the
specified coolant add it ive as soo n as poss i
ble .
- Only refill w ith new coolant.
- Radiator sealant must not be mixed with
the coolant .
Radiator fan
T he radiator fan switches on automatically by it
self.
An auxiliary e lectr ic radiator fan switches on and
off depend ing on coolant temperature and other
vehicle operating conditions.
After you switch the engine off, the auxiliary fan c a n continue running for up to 10 m inutes - even
with the ignition off . It can even switch on aga in
later by itself ¢.& , if
- the temperature of the engine coolant rises due
to the heat build-up from the engine in the en
gine compartment, or
- the engine compartment heats up bec ause the
veh icle is parked in in tense sunlight.
.&, WARNING
--
- To reduce the r isk of personal injury never
touch the radiator fan .
- The auxiliary e lectr ic fan is temperature
controlled and can switch on s uddenly even
when the engine is not runn ing .
- The auxiliary radiator fan sw itches on auto
mat ica lly when the eng ine coolant reaches a
certa in temperature and will continue to run
until the coolant temperature d rops .
167
Page 170 of 236

Checking and Filling
Brake fluid
N
N
~ N ,l: a, CXl
Fig. 14 4 Engine compartment: cap on brake fluid reservoir
Observe the safety precautions c:::> .&. in Working
in the engine compartment on page 159.
Checking th e br ake fluid l evel
.- Read the brake fluid level on the brake fluid
reservoir
c:::> page 162, fig . 140 . The brake fluid
level must be between the MIN and MAX mark
ings
c:::> ,&. .
The brake fluid level is monitored automatically .
Chang in g the b ra ke flu id
Have the brake fluid changed regularly by an au
thorized Audi dealer or authorized Audi Service
Facility .
A WARNING
-If the brake fluid level is below the MIN
marking, it can impair the braking effect
and dr iving safety, which increase the risk of
an accident. Do not cont inue driving . See an
authorized Aud i dealer or autho rized Audi
Service Facility for assistance.
- If the brake fluid is o ld, bubbles may form
in the b rake system du ring heavy b raking.
This would impair brak ing performance and
driving safety, which increases the risk of an
accident.
- T o ensure the brake system functions cor
rectly, only use brake fluids t hat comply
with VW standard 501 14 or
FMVSS-116 DOT 4.
(D Note
-If the brake fluid level is above the MAX
mark ing, brake fluid may leak out over the
168
edge of the reservoir and result in damage
to the vehicle.
- Do not get any brake fluid on the vehicle
paint, because it will corrode the paint.
Battery
General warnings about batteries
Because of the comp lex power supp ly, all wo rk
on batter ies such as d isconnecting, replacing,
etc. should
only be performed by an authorized
Audi dealer or authorized A udi Service Fac ility
c:::> &. .
The term "veh icle battery" refers to the 12 Volt
ba tte ry in your vehicle.
D etail ed warning s for th e vehicle batte ry:
®
Wear eye protection.
A
Battery acid is highly corrosive. Wear pro-
tect ive gloves and eye protection.
@
Fire, sparks, open flame and smoking are
forbidden .
&
A highly explosive m ixture of gases can
form when charging batter ies.
@
Keep children away from battery acid and
batteries.
A WARNING
All work on the battery or electrical system in
your vehicle can result in injuries, chem ica l
bu rns, acciden ts or burns. Because of this, all
wo rk mus t be performed
only by an autho r
i zed A udi dealer or authorized Aud i Service
Facility.
A WARNING
Ca lifornia Proposition 65 Warning:
- Batte ry posts, te rm inals and related acces
sories contain lead and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive problems.
Wash hands after handling.
-
Page 171 of 236

a:,
a:,
...... N r--. N .... 0 0 ::, a:,
(D Note
Protect the vehicle battery against freezing if
the vehicle will be parked for long periods of time so that it is not destroyed by "freezing"
c;,page 169. Make sure that the vehicle bat
tery is charged.
@) For the sake of the environment
¥ Batteries contain polluting substances such
as sulfuric acid and lead. Contact an author
ized Audi dealer or authorized Audi Service
Facility for more information .
Charging the vehicle battery
Applies to: Q3
Fig. 145 Engine compartment: connections for a charg er
and jump start cables
Requirement : only use chargers with a maximum
charging current of 30 amps/14.8 Volts .
The ve
hicle battery cables remain connected.
The battery is located in the engine compart
ment. The ground point
0 is always located on
the vehicle body .
.,. Read the warnings
c;, .&. in General warnings
about batteries on page 168
and c;, .&, .
.,. Switch off the ignition and all electrical equip-
ment .
.,. Open the hood
c;, page 161 .
.,. Fold the battery cover upward c;, fig. 145 .
.,. Clamp the terminal clamps on the charger cor
rectly onto the ground point
0 and the positive
terminal
0 .
.,. Now insert the power cable for the charging de
vice into the socket and switch the device on.
.,. Switch the charger off and pull the power cable
out of the socket .
Checking and Filling
.,. Now remove the charging device terminal
clamps.
.,. Close the battery cover.
.,. Close the hood
c;, page 161.
A WARNING
-- A highly explosive mixture of gases can form
when charging batteries. Only charge the
veh icle battery in well-ventilated areas.
- A drained battery can freeze at tempera
tures around 32 °F (0 °C) . A frozen or
thawed vehicle battery must not be charged
and must not be used anymore . The battery
housing can crack and battery acid can leak
out if ice forms, which increases the risk of
an explosion and chemical burns. Contact an
authorized Audi dealer or authorized Audi
Service Facility for more information.
- Do not connect or disconnect the charging
cable while charging because this increases
the risk of an explosion.
@ Tips
- Only charge the vehicle battery through the
connections in the engine compartment.
- Read all of the manufacturer's instructions
for the charger before charging the vehicle
battery.
Windshield washer system
Fig. 146 Engine compar tmen t: win ds hiel d washer flu id
re servoir
M N
-N ~ (D a,
The windshield washer fluid reservoir W contains
the cleaning solution for the windshield and the rear window
c;, page 162, fig . 140, . The reservoir
capacity can be found in
c;,page 216. .,.
169
Page 172 of 236

Check ing and F illing
To reduce the risk o f lime sca le deposits on the
spray nozzles, use clean water with low amounts
of calcium. A lways add window cleaner to the wa
ter. When the outs ide temperatures are cold, an
anti-freezing agent should be added to the water
so that it does not freeze.
@ Note
-The concentration of anti-freezing agent
must be adjusted to the vehicle operating
cond itions in t he respective climate. A con
centration that is too high can lead to veh i
cle damage.
- Never add rad iator anti-freeze or other add i
tives to the washe r fluid .
- Do not use a glass cleaner that contains
paint solvents, beca use this cou ld damage
the pa int.
Service interval display
The service interval display detects when your ve
hicle is due for service.
The se rvice interva l disp lay works in two stages:
- Inspection o r oil change reminder : after acer-
ta in d istance is driven, a message appears in
the instrument cluster d isp lay every t ime the
ignition is sw itched on . T he remain ing distance
o r time is d isp layed b riefly.
- In spection or oil change due : if you r vehicle
has reached an inspection o r oi l change interval
o r both intervals at the same time, the mes
sage
Inspection due! or Oil change due! or Oil
change and in spection due!
a ppears br iefly a f
ter switching the ignition on .
Checking service intervals
You can check the rema ining distance o r time un
til the next oil change o r next inspection.
- Se lect: the
ICARI function button > (Car ) Sys
tems *
contro l button > Servicing & checks >
Ser vice interval display .
Resetting the indicator
Your author ized Audi dealer or authorized Audi
Serv ice Facility will reset the serv ice interval dis
p lay after pe rforming serv ice.
170
If you have changed the oi l yourself, yo u must re
set the oi l change interval.
Perform the fo llow ing to reset t he d isp lay:
- Select: the
I CARI funct io n button > (Car) Sy s
tem s*
control button > Serv icing & check s >
Service interval di splay . Turn the contro l knob
downwa rd to
Re set oil change int erval and
press the control knob .
(D Note
-On ly reset t he oil change ind icator if the oi l
was changed.
- Following the se rvic e interva ls is cr itica l to
ma inta ining the se rvice life and val ue of
yo ur vehicle, es pecially the eng ine. Even if
the mileage on the ve hicl e is low, do not ex
ceed t he time fo r the next service .
Page 173 of 236

a)
a)
.... N r-N .... 0
0
::, a)
Wheels
Wheels and Tires
General information
.,.Check your tires regularly for
damage (punctures, cuts, cracks
and bulges). Remove foreign ob
jects from the tire tread.
.,. If driving over curbs or similar
obstacles, drive slowly and ap
proach the curb at an angle.
.,.Have faulty tires or rims re
placed immediately.
"'Protect your tires from oil,
grease and fuel.
.,.M ark tires before removing
them so that the same running
direction can be maintained if
they are reinstalled.
"'Lay tires flat when storing and
store them in a cool, dry location
with as little exposure to light as
possible.
(D Note
-Please note that summer and
winter tires are designed for
the conditions that are typical in those seasons. Audi recom
mends using winter tires dur
ing the winter months. Low
temperatures significantly de crease the elasticity of summ
er tires, which affects traction
Wheels
and braking ability. If summer
tires are used in very cold
temperatures, cracks can form
on the tread bars, resulting in
permanent tire damage that
can cause loud driving noise
and unbalanced tires.
-Burnished, polished or
chromed rims must not be
used in winter driving condi
tions. The surface of the rims
does not have sufficient corro
sion protection for this and
could be permanently dam aged by road salt or similar
substances.
Tire designations
Fig. 147 T ir e designations on the side -
wall Ill>
171
Page 174 of 236

Wheels
(D Tires for passenger vehicles
(if applicable)
P indicates a tire for a passenger
vehicle. T indicates a tire desig
nated for temporary use.
@ Nominal width
Nominal width of the tire be
tween the sidewalls in millime
ters. In general: the larger the
number, the wider the tire.
@ Aspect ratio
Height/width ratio expressed as a
percentage.
@ Tire construction
R indicates a radial tire.
® Rim diameter
Size of the rim diameter in inches.
@ Load index and speed rating
The load index indicates the tire's
load-carrying capacity.
The speed rating indicates the maximum permitted speed
¢ & in
Winter tires on page 186.
"EXTRA LOAD", "xl" or "RF" indi
cates that the tire is reinforced or
is an Extra Load tire.
Speed rat- Maximum permitted speed
ing
p
up to 93 mph (150 km/h)
Q up to 99 mph (160 km/h)
172
Speed rat- Maximum permitted speed
Ing
R
up t o 106 mph (170 km/h)
s up to 110 mph (180 km/h)
T up to 1 18 mph (190 km/h)
u up to 124 mph (200 km/h)
H up to 130 mph (210 km/h)
V up to 149 mph (240 km/h)al
z above 149 mph (240 km/h)al
w up to 168 mph (270 km/h)al
y up to 186 mph (300 km/h)al
a) For tires above 149 mph (240 km/h),
tire manufacturers sometimes use the
code "ZR".
(j) US DOT number (TIN) and
manufacture date
The manufacture date is listed on
the tire sidewall (it may only ap
pear on the inner side of the tire):
DOT ... 2216 ...
means, for example, that the tire
was produced in the 22nd week of
the year 2016.
@ Audi Original Tires
Audi Original equipment tires
with the designation "AO" have
been specially matched to your
Audi. When used correctly, these
tires meet the highest standards
for safety and handling. An au
thorized Audi dealer or author
ized Audi Service Facility will be
able to provide you with more in
formation.
Page 175 of 236

"' "' -N
" N
-0
0
::, a)
® Mud and snow capability
"M/5" or "M+S" indicates the tire
has properties making it suitable
to drive in mud or snow.~ indi
cates a winter tire .
@ Composition of the tire cord
and materials
The number of plies indicates the
number of rubber ized fabric lay
ers in the t ire. In general : the
more layers, the more weight a
tire can carry . Tire manufacturers
must also specify the materials
used in the tire . These incl ude
stee l, nylon, polyester and other
materials .
@Maximum permitted load
This number indicates the maxi
mum load in kilograms and
pounds that the tire can carry.
@ Uniform tire quality grade
standards for treadwear,
traction and temperature resistance
T read wear, trac tion and temper
ature ranges
¢ page 187.
@ Running direction
The arrows indicate the running
direction of un idirectional t ires.
You must always follow the speci- fied running direction
¢
page 202.
€3) Maximum permitted
inflation pressure
Wheels
T his number ind icates the max i
mum pressure to which a tire can
be inflated unde r normal operat
ing conditions.
Glossary of tire and loading
terminology
Accessory weight
means the combined we igh t (in
excess of those standard items
wh ich may be replaced) of auto
matic transmission, power steer
ing, power brakes, power win
dows, power seats, radio, and
heater, to the extent that these
items are available as factory-in
stalled equipment (whether in
stalled or not).
Aspect ratio
means the ratio of the height to
the w idth of the tire in percent .
Numbers of 55 or lower indicate a
low s idewall for improved steer
ing response and better overall
handling on dry pavement .
173
Page 176 of 236

Wheels
Bead
means the part of the tire that is
made of steel wires, wrapped or
reinforced by ply cords and that is
shaped to fit the rim .
Bead separation
means a breakdown of the bond
between components in the bead.
Cord
means the strands forming the
plies in the tire.
Cold tire inflation pressure
means the tire pressure recom
mended by the vehic le manufac
turer for a tire of a des ignated
size that has not been driven for more than a couple of miles (kilo
meters) at low speeds in the
three hour period before the tire pressure is measured or adj usted.
Curb weight
means the weight of a motor ve
hicle w ith standard equipment in
cluding the maximum capacity of
fuel, oil, and coolant, air condi
tioning and additiona l weight of
op tional equipment.
E x tra load tire
means a tire des igned to operate
at higher loads and at h igher in -
17 4
flation pressures than t he corre
spond ing standa rd tire. Extra load
tires may be identified as "XL",
"xl" , "EXTRA LOAD" , or "RF" on
the sidewall.
Gross A xle Weight Rating
("GAWR ")
means the load-carrying capacity
of a single axle system , measured
at the ti re-gro und interfaces.
Gross Vehicle Weight Rating
("GVWR")
means the max imum total loaded
weight of the vehicle .
Groove
means the space between two ad
jacent tread ribs .
Load rating (code)
means the maximum load tha t a
tire is rated to carry for a given in
flation pressure. You may not find
this informat ion on all ti res be
cause it is not required by law .
Maximum load rating
means the load rating for a tire at
the maximum permissible infla
tion p ressure for that ti re .
Maximum loaded vehicle
weight
means the sum of: