AUDI A3 CABRIOLET 2016 Owners Manual

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can be cracked due to ice format ion and can leak
battery acid.
Battery charging (Maximum charging rate of
30 amps/ 14.8 Volt)
When charging at
low voltages (e.g. with a trick­
le charger), the battery cables do not have to be
d isconnected first. The battery caps should
not
be opened when charging a battery.
It is not necessary to remove the battery from
the luggage compartment, and it is also not nec­
essary to disconnect the cables.
Fast charging the battery (charging rate
above 14.8 Volts)
F or technical reasons do not use a battery charg­
er that uses voltage greater than 14.8 Volts to
charge your vehicle's battery.
A WARNING
Charging a battery can be dangerous.
- Always follow the operating instructions
provided by the battery charger manufactur­
er when charging your battery.
-Never charge a frozen battery. It may ex­
plode because of gas trapped in the ice. Al­
low a frozen battery to thaw out first.
- Do not reuse batteries which were frozen.
The battery housing may have cracked and
weakened when the battery froze .
- Charge the battery in a well ventilated area.
Keep away from open flame or electrical
spark. Do not smoke . Hydrogen gas generat­
ed by the battery is exp losive.
- To reduce the danger of explosion, never
connect or disconnect charger cables wh ile
the charger is operat ing.
- Fast charging a battery is dangerous and
should only be attempted by a competent
technician with the proper equipment.
- Battery acid that may spill during charging
should be washed off with a solution of
warm water and baking soda to neutralize
the acid.
Checking and Filling
(D Note
Never use a fast charger as a booster to start
the engine. This will seriously damage sensi­
tive electronic components, such as control units, relays, radio, etc., as well as the battery
charger.
Battery replacement
The new battery must hove the some specifica­
tions and dimensions as the original equipment
battery.
Intelligent energy management in your vehicle is
responsible for distribut ing the e lectrical energy
throughout your vehicle
c;, page 121 . The intelli ­
gent energy management system will keep the
engine battery charged better than vehicles with­
out this system. To make sure the additional
electrical energy is available once again after you
have changed the battery, we recommend that
you install batteries of the same type and manu­
facture only (the same as those installed at the
t ime your vehicle was delivered). Specifications
are listed on the battery housing . Your author­
ized dealer must code the battery in the energy
management system to enable you to use the en­
ergy management functions correctly after re­
plac ing the battery.
The new battery must have the same capacity,
voltage (12-volts), amperage, construction and plug seal ing.
When install ing the battery, make sure the ign i­
t ion and all electr ical consumers are switched
off .
(D Note
Make sure the venti lation hose on the s ide of
the battery is connected, otherwise fumes or battery acid can leak out .
@ For the sake of the environment
Because of the problem of proper d isposal of
a battery, we recommend your authorized
Audi dealer change the battery for you. Bat­
teries contain sulfur ic acid and lead and must
always be disposed of properly in compliance .,.
201

Check ing and F illing
with all environmental regulations. D isposing
of vehicle batteries improperly is very danger­
ous to the env ironment .
Windshield washer
system
F ig. 16 7 Engin e co mpartment : washer fluid reservoir cap
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The washer flu id reservoir§ contains the wind­
shie ld wash er fluid
¢ page 191, fig. 161. The res­
ervoir capacity is found in
9 page 251.
.. Read and follow a ll WARNINGS before wo rking
in the engine compartment ¢
page 188, Work­
ing in the engine compartment.
.. Open the cap .
.. Add the washer fluid and close the cap .
To reduce the risk of lime sca le deposits on the
spray nozzles, use clean water w ith low amounts
of calc ium . A lways add window cleaner to the wa­
t er. When the outs ide temperatures are co ld, an
anti-freezing agent should be added to the water
so that it does not freeze .
(D Note
-The concentration of anti-freezing agent
must be ad justed to the vehicle operating
cond itions in the respect ive climate . A con­
ce ntration that is too high can lead to veh i­
cle damage.
- Neve r add rad iator ant i-freeze or ot her addi­
tives to the washe r fl uid .
- Do not use a glass cleaner that conta ins
paint solvents, beca use this cou ld damage
the pa int.
202
Service interval display
T he service interval display detects when your ve­
hicle is due for service.
The service interval display works in two stages :
-Inspe cti on or oil change reminder: afte r a cer-
tain dis tan ce dr ive n, a message appears in the
instrument cluster display each t ime the igni ­
tion is switched on or off . The remaining dis­
tance or tim e is disp layed briefly.
- Inspection or oil change due : if your vehicl e
has reached an inspection or oil change inte rval
or both intervals at the same t ime, the mes­
sage
Inspection due! or Oil change due! or Oil
change and inspection d ue!
appears briefly af­
ter switching the ignition on/off.
Check ing ser vice inter vals
You can check the remaining d istance or t ime un­
ti l the next oi l change or next inspection in the
MMI. Select the
i MENU I button> Car> Systems *
control button > Ser vice & control > Service in ­
tervals .
Resetting the indic ator
Your a uthorized Audi dea ler or authorized Audi
Service Facility w ill reset the service interva l dis­
play after perform ing service .
If you perform an o il change yourse lf to the Audi
specifications, you must reset the service interval
display .
To rese t the disp lay, select the
I MENU I but ton>
Car > Systems * control button > Service & con­
t rol > Service inter vals > Re set oil change inter ·
val.
(D Note
- Only reset the oil c hange indicator if the oi l
was changed .
- Following the service in terva ls is cr itica l to
mainta ining the se rvice life and val ue of
your vehicle, especially the engine. Even if
the mileage on the ve hicle is low, do not ex­
ceed the time for the next service.
- Calculat ing the time to the next oil change
is inte rrupted when the vehicle battery is

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disconnected. If the vehicle is not driven for
a long period of time, check the mainte­ nance schedule so that you can follow the
maintenance intervals.
Checking and Filling
203

Tires and wheels
Tires and wheels
Wheels
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.
~ Mark 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.
(i}) Note
-Please note that summer and winter tires are designed for
the conditions that are typical i n those seasons. Audi recom­
mends using winter tires dur­
i ng the winter months. Low
temperatures significantly de­ crease the elasticity of summ­
er tires, which affects traction
204
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 r ims
does not have sufficient corro­
sion protection for th is and
could be permanently dam­
aged by road salt or similar
substances.
Tire designations
Fig. 168 Tire specifi cation codes on the
sidewall of a tire .,._

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(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 219.
"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)
Tires and wheels
Speed rat- Maximum permitted speed
ing
R up to 1 06 m ph (170 km/h)
s up to 110 mph (180 km/h)
T up to 118 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 ) Tire manufacturers sometimes use "ZR"
for tires with a maximum speed above
149 mph (240 km/h).
(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 ... 2215 ...
means, for example, that the tire
was produced in the 22nd week of
the year 2015.
@ Audi Original equipment
tires
Audi Original equipment tires
with the designation "AO" or "RO"
have been specially matched to
your Audi. When used correctly,
these tires meet the highest standards of safety and handling.
An authorized Audi dealer or au­
thorized Audi Service Facility will ""
205

Tires and wheels
be happy to provide more infor­
mation .
® Mud and snow capability
"M/S" or "M+S" indicates the tire
is suitable for driving on mud and
snow.
& indicates a winter tire.
@ Compos ition of the tire cord
and materials
The number of plies indicates the
number of rubberized fabric lay­
ers in the tire . In general: the
more layers, the more weight a
tire can carry. Tire manufacturers
must also specify the materia ls
used in the tire. These include
steel , nylon, polyester and other
materials.
@ Ma ximum permitted load
T his 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
Tread wear, t raction and temper­
ature ranges
¢page 221 .
@ Running direction
The arrows indicate the running
direction of unidirectional t ires.
You must always follow the speci -
206
fied running direction
¢page 238 .
(8) Maximum permitted
inflation pressure
This number indicates the maxi­
mum pressure to which a t ire can
be inflated under normal operat­
ing condit ions.
Glossary of tire and loading
terminology
Accessory we ight
means the combined weigh t (in
excess of those standard items
which 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 rat io of the height to
the width of the tire in pe rcent.
Numbers of 55 or lower indicate a
low s idewall for imp roved steer­
ing response and better overa ll
handling on dry pavement.

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 vehicle manufac­
turer for a tire of a designated 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 adjusted .
Curb weight
means the weight of a motor ve­
hicle with standard equipment in­
c luding the maximum capacity of
fuel, oi l, and coolant, air condi­
tioning and add itional weight of
optional equipment.
E xtra load ti re
<( a:,
~ means a tire designed to operate
N
~ at higher loads and at higher in ­
s: a:,
Tires and wheels
flation pressures than the corre­
sponding standard tire . Extra load
tires may be identified as "XL",
" xl", "EXTRA LOAD", or "RF" on
the sidewall.
Gross Axle Weight Rating ( " GAWR")
means the load -carrying capacity
of a single axle system, measured
at the tire-ground 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
flat 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 tire at
the maximum permissible infla­
tion pressure for that tire.
Maximum loaded vehicle
weight
means the sum of:
2 0 7
..

Tires and wheels
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Production options weight
Ma ximum (permissible )
inflation pressur e
means the maximum cold infla­
tion pressure to which a tire may be inflated. Also called "maxi­
mum inflation pressure ."
Normal occupant weight
means 150 lbs . (68 kilograms)
times the number of occupants
seated in the vehicle up to the to­
ta l seating capacity of your vehi­
c le .
Occupant d istribution
means distribution of occupants
in a vehic le .
Outer diameter
means the overall diameter of an
inflated new tire.
Overall width
means the l inear distance be ­
tween the exteriors of the side­
walls of an inflated tire , including
elevations due to labeling , deco ­
rations, or protective bands or
ribs .
208
Ply
means a layer of rubber -coated
parallel cords.
Production options weight
means the comb ined weight of
those installed regular production
options weighing over 5 lbs . (2 .3
kg) in excess of those standard
items which they replace, not pre­
vio usly considered in c urb weight
or accessory weight, inc luding
heavy duty brakes, ride levelers,
roof rack, heavy duty ba ttery, and
special trim.
Radial ply tire
means a pneumatic tire in which
the ply cords that extend to the beads are laid at subs tantially 90
degrees to the centerline of the
tread .
Recommended inflation
pressure
see~ page 207, Cold tire infla­
tion pressure.
Reinforced tire
means a tire designe d to operate
at higher loads and at higher in­
flat ion pressures than the corre­
spond ing standard tire . Rein­
forced tires may be identified as .,.

<( a:, ... N .... N ... 0
s: a:,
"XL" "xl" "EXTRA LOAD" or "RF" ' ' '
on the sidewall.
Rim
means a metal support for a tire
or a tire and tube assembly upon
which the tire beads are seated .
Rim diameter
means nominal diameter of the
bead seat. If you change your
wheel size, you will have to pur­
chase new tires to match the new
rim diameter .
Rim size designat ion
means rim diameter and width.
Rim width
means nominal distance between
rim flanges.
Sidewall
means that portion of a tire be ­
tween the tread and bead.
Speed rating (letter code )
means the speed at wh ich a t ire is
designed to be driven for extend ­
ed periods of time . The ratings
range from 93 mph (150 km/h)
to 186 mph (298 km/h)
¢ table
on page 205.
You may not find
this information on all tires be­
cause it is not required by law .
Tires and wheels
The speed rating letter code,
where applicable, is molded on
the tire sidewall and indicates the maximum permissible road
speeds
¢ & in Winter tires on
page 219 .
Tire pressure monitoring
system*
means a system that detects
when one or more of a vehicle's
tires are underinflated and illum i­
nates a low tire pressure warning
telltale .
Tread
means that portion of a tire that
comes into contact with the road.
Tread separation
means pulling away of the tread
from the tire carcass .
Treadwear indicators (TWI)
means the projections within the
principal grooves designed to give
a visual indication of t he degrees
of wear of the tread . See
¢ page 213, Treadwear indicator
for more information on measur-
ing tire wear. .,.
209

Tires and wheels
Uniform Tire Qu ality Gr ading
is a tire information system devel ­
oped by the United States Nation­
al Highway Traffic Safety Admin­
istration (NHTSA) that is designed
to help buyers make relative com­ parisons among tires. The UTQG
is not a safety rating and not a
guarantee that a tire will last for
a prescr ibed number of miles
(kilometers) or perform in acer­
tain way. It simply gives tire buy­
ers additional information to
combine with other considera­
tions, such as price, brand loya lty
and dealer recommendations. Un­
der UTQG, t ires are graded by the
tire manufacturers in three areas:
treadwear, traction, and tempera­
ture resistance . The UTQG infor­
mation on the tires, molded into
the sidewalls.
U.S. DOT Tire Identification
Number (TIN)
This is the tire's "serial number" .
It begins with the letters "DOT"
and indicates that the tire meets
all federal standards. The next
two numbers or letters indicate
the plant where it was manufac ­
tured, and the last four numbers represent the
week and year of
manufacture . For example,
210
DOT ... 2215 ...
means that the tire was produced
in the 22nd week of 2015. The
other numbers are marketing co­
des that may or may not be used by the tire manufacturer . This in­
formation is used to contact con­ sumers if a tire defect requires a
recall.
Veh icle capacity weight
means the rated cargo and lug­
gage load plus 150 lbs . (68 k ilo­
grams) times the vehicle's desig ­
nated seating capacity .
Vehicle maximum load on the
tire
means that load on an ind ividual
tire that is determined by distrib ­
uting to each axle its sha re of the
maximum loaded veh ic le weight
and dividing by two.
Vehicle normal load on the tire
means that load on an individual
tire that is determined by distrib­
uting to each axle its sha re of the
curb weight, accessory weight,
and normal occupan t weight (dis­
tributed in accordance with
c:::> ta­
ble on page 216) and dividing by
two .
~