2016 AUDI A4 lock

Trailer mode
Trailer mode notes
Important to know
Your vehicle handles different ly when tow ing a
tra iler because of the additional weight and dif­
ferent weight distr ibution. Safety, performance
and economy w ill great ly depend on how careful­
ly you load your trailer and operate your rig.
Before you actua lly tow your trailer, practice
turning, stopping and backing up in an area away
from traffic . Keep practicing until you have be­
come completely familiar with the way your vehi­
cle-trailer combination behaves and responds.
Backing up is d ifficult and requires practice.
Backing up with a trailer generally requires steer­
ing action opposite to that when backing up your
vehicle without a trailer.
Maintain a greater distance between your vehicle
and the one in front of you. You w ill need more
room to stop . To compensate for the trai ler, you
will need a larger than norma l turning radius.
When passing, remembe r that you cannot accel­
erate as fast as you normally would because of
the added load. Make sure you have enough room
to pass. After passing, allow plenty of room for
your trai ler before chang ing lanes again.
Avoid jerky starts, sharp turns or rapid lane
changes.
(D Tips
- Do not tow a trailer during the break-in peri­
od of you r vehicle.
- If you tow a trailer, your Audi may require
more frequent maintenance due to the ex­
tra load~
page 258.
Parking on a slope
Do not pork on a slope with a trailer. If it cannot
be avoided, do so only ofter doing the following:
When parking:
.,. Apply t he foot brake .
.,. Have someone place chocks under both the ve­
hicle and the trailer wheels.
192
.. With chocks in place, slowly release the brakes
until the wheel chocks absorb the load.
.. Turn the whee ls towards the curb .
.. App ly the parking brake .
.. Place an automat ic transmission* in P, respec­
tively a manual transmission in first or reverse
gear .
When restarting after parking:
.. App ly the foot brake.
.. Start the engine.
.. Move the selector lever to 0/5, respectively a
manual transmission in first gear.
.. Release the parking brake and slowly pull out
and away from the whee l chocks.
.,. Stop and have someone ret rieve the wheel
chocks.
(D Tips
If you move the selector lever of the automat­
ic transmission* to P before applying the
parking brake and before blocking the wheels,
you may have to use more force later to move
the lever out of the P position.

..... N
0 ::..:: co ..... ..... Care and cleaning
Component Situation Solution
Carbon parts
Deposits clean the same way as
painted parts~ page 193, Car
washes
Paint Paint damage Refer to the paint number on the vehicle data label, repair
with touch up paint~
page 255
Spilled fuel Rin se with water immediately
Surface rust Rust remover,
then protect with hard wax; for questions,
consult an authorized Audi dealer or authorized Audi Serv- ice Facility.
Corrosion Have it removed by an authorized Aud i dealer or author-
ized Audi Se rvice Facility.
Water no longer Protect with hard wax (at least twice per year)
beads on the surface
of clean paint
No shine even though Treat with suitable
polish; then apply paint protectant if
paint has been pro- the polish that was used does not contain any protectant
tected/paint looks
poor
Deposits such as in-Dampen with wate r immediately and remove wit h a m icro-
sects, bird droppings, fiber cloth
tree sap and road salt
Grease-based con-Remove immediately with a mild soap solution a) and a
taminants such as soft cloth
cosmetics or sunb lock
•> Mild soap solution: maximum two tab lespoons of neutral soap in 1 quar t (1 liter) of wa ter
Internal cleaning
Component Situation Solution
Windows
Deposits Glass
cleaner, then wipe dry
Decorative parts / Deposits Mild soap solutiona>
trim
Plastic parts
Deposits Damp doth
Heavier deposits Mild soap solution a), detergent-free plastic cleaning solu-
tion, if ne cessary
Displays Deposits Soft cloth with LCD cleaner
Controls Deposits Soft brush,
then a soft cloth with a mild soap solutiona)
Safety belts Deposits Mild soap solution a>, allow to dry before letting them re-
tract
195

Fuel and Refueling
Gasoline additives
A major concern among many auto manufactur­
ers is carbon deposit build-up ca used by the type
of gasoline you use.
Although gasoline grades d iffer from one manu­
facturer to another, they have certain things in
common. All gasoline grades contain substances
that can cause deposits to collect on v ital engine
parts, such as fuel injectors and intake valves. Al­
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective.
Audi recommends using TOP TIER Detergent Gas­
oline. For more information on TOP TIER Deter­
gent Gasoline, please go to the official website (www.toptiergas.com).
After an extended period of using inadequate
fue ls, built-up carbon depos its can rob your en­
g ine of peak performance.
CD Note
- Damage or malfunction due to poor fuel
quality is not covered by the Audi New Vehi­
cle Limited Warranty .
- Do not add aftermarket fuel additive prod­
ucts to yo ur fuel tank.
Refueling
Fuel filler neck
The fuel filler neck is located on the right rear
side panel behind the fuel f iller flap .
If the power locking system should fail, you can
still open the flap manually -for detailed instruc­
tions see
c> page 202.
You can find the fuel tank capacity of your vehicle
in
c> page 256 .
The label on the inside of the fuel filler flap tells
you the correct fue l for your vehicle. For more in­
formation about fuel specifications, see
<=>page 198.
Your vehicle fuel tank has an on-board refuelling
vapor recovery system. This feature he lps to pre­
vent fuel vapors from escaping from the tank and
200
polluting the environment whi le you refuel your
vehicle. In order to fill the tank proper ly while
protecting the env ironment, please follow th is
refueling procedure carefully.
A WARNING
Under normal operating conditions, never car­
ry additional fuel containers in your car. Gas
can isters and other containers used to trans­
port fue l can be dangerous. Such containers,
full or empty, may leak and could cause a fire
in a col lision.
If you must transport fuel to
use for your lawn mower, snow blower, etc.,
be very careful and always observe local and
state laws regarding the use, transportation
and storage of such fuel containers. Make cer­
tain the container meets industry standards (ANSI/ASTM F852 -86).
CD Note
Never drive your vehicle until the fuel tank is
complete ly empty. The irregular supply of
fuel can cause misfiring. Gasoline could enter the exhaust system and damage the catalytic
converte r.
Refuelling
Fig. 175 R ight rea r vehicle side: Open ing the fuel filler flap
Fig. 176 Fuel filler flap w ith attac hed fuel cap

..... N
0 ::..:: co ..... ..... When activating the central locking, the fuel fill­
er flap is automatically unlocked or locked. Re­
fue l the vehicle with the ignit ion turned
off.
T a king the fuel cap off
.,. Turn off the ignition.
.,. Press the left side of the fue l filler flap to open
it
c:> fig . 175 -arrow -.
.,. Unscrew fue l cap counter -clockwise and hang it
on the fue l filler flap
c:> fig. 176.
Refuelling proc edure
.,. Inse rt the fue l nozzle from the gasoline pump
into the fuel filler neck as far as it will go .
.,. Se lect a medium refuelling rate so that the
nozzle switches off automatically when the
tank is full.
Putting the fuel cap back on
.,. After filling your tank, tw ist the f uel cap clock-
wise as far as it wi ll go .
.,. Close the fuel filler flap.
To avoid fuel spill ing o r evaporating from the f uel
tank always close fuel cap proper ly and com ­
pletely.
A WARNING
Improper refueling or handling of fuel can
cause fire, explosion and severe b urns.
-
- Fuel is highly flammable and can cause se­
vere burns and other injur ies .
- Failure to shut the engine off wh ile refuel ­
ing and/or to insert the pump nozz le fully
into the fuel filler neck could ca use fue l to
spray out of filler neck or to ove rflow. Fuel
spray and overflowing fue l can cause a fire.
- Never use a cellular telephone wh ile refuel­
ing. The electromagnetic radiation can
cause spa rks that can ignite f uel vapors and
cause a fire.
- Never get back into your vehicle while refu­
eling. If in except ional circumstances you
must get back in your vehicle while refuel­
ing, make certain that you close the door
and touch meta l to discha rge static ele ctric­
ity befo re touching the filler noz zle ag ain.
Fuel and R efueling
Stat ic elect ricity can cause sparks that can
ignite fue l vapors released during refueling.
- Never smo ke or have an open flame any ­
where in or near your vehicle when ref ueling
or filling a portable fuel container .
- For your safety, we strongly recommend
that you do not trave l with a po rtable fuel
container in your veh icle. The container, fu ll
or empty may leak and co uld cause a fire,
especially in a crash.
- If, under except ional circumstances, you
m ust transport a portable fuel container,
p lease observe the following:
- Never fill a portab le fue l conta iner while it
is anywhere in or on the vehicle (for exam­
ple, in the l uggage compa rtment, o r on
the trunk). Static electricity can build up
while filling and can ignite fuel vapors caus ing a f ire .
-Always place a portab le fue l conta iner on
the ground before fi lling .
-A lways keep the f iller nozzle comp lete ly
inside the portable container before and
during f il li ng.
- If filling a portable conta iner made of
metal, the filler nozz le must always be in
contact with the container . This will he lp
prevent stat ic elec trici ty from discharging
and ca use a fire.
- Never spill fue l inside the vehicle o r lug­
gage compartment. F uel vapors a re highly
flammable.
- Always observe loca l and state/prov incial
laws rega rding the use, storage a nd trans­
po rtation of fuel contai ners.
- Make ce rtain the f uel con tainer mee ts i n­
dust ry standards (A NSI/ AS TM F852 -86).
(D Note
If any fuel has sp illed onto the car, it should
be removed immed iately to p revent damage
to the pa int.
@) For the sake of the environment
As soon as the correctly operated nozzle
switches off automatically for the first time,
201

Fuel and Refueling
the tank is full . Do not try to add more fuel
because fuel may spill out. In addition, the
expansion space in the fuel tank will be filled -
causing the fuel to overflow when it becomes
warm and pollute the environment.
(D Tips
- Running your engine while refuelling may
cause vapors to escape or even cause fuel to
sp ill out of the tank. This would then shut
off the fuel nozzle before the tank is full.
- Do not refuel your vehicle with the ignition
turned on. The fuel gauge may otherwise
not indicate the correct fuel level after refu­
elling .
- The fuel filler flap of your vehicle is not
l ocked when you lock the veh icle from the
inside .
Unlocking the fuel filler flap by hand
You can open the fuel filler flap by hand if the
power locking system should fail.
F ig. 177 Sedan Luggage compartmen t: open ing th e s ide
trim
Fig. 178 L uggage compartment: Emergency opening of
fuel filler fla p
202
The emergency opening mechanism is located
beh ind the right side trim panel in the luggage
compartment .
Opening the side trim
.. Sedan: Insert a tool such as a screwdriver
¢
page 237 or the emergency key into the
right side of the upper gap¢
fig. 177 .
.. Sedan: Pry upward to release the trim.
.. allroad: Open the right side trim panel.
Fuel filler door emergency release
.. Loosen the strap from its bracket and pull on it
¢
fig. 178. You can now open the fue l filler f lap
as usual ¢
page 200 .

Check ing and F illing
blink until you add coolant and the level has been
restored to normal. Even though there is an e lec ­
tr ic coolant level sensor, we still recommend you
check the coo lant level from time to time.
Coolant los s
Coolant loss may indicate a l e ak in the cooling
system. In the event of coolant loss, the cooling
syst em should be insp ected immediately by your
authorized Audi dealer. It is not enough merely
to add coolant.
I n a
s e aled system, losses can occur only if the
boiling point of the coo lant is exceeded as a re­
sult of overheating.
A WARNING
The cooling system is under pressure and can get very hot. Reduce the risk of scalding from
hot coolant by following these steps.
- Turn off the eng ine and allow it to cool
down .
- Protect your face, hands and arms from es­
caping fluid and steam by covering the cap
with a large, thick rag.
- Turn the cap slowly and very carefully in a
counter-clockwise direction wh ile apply ing
l ight, downward pressure on the top of the
cap .
- To avo id being burned, do not sp ill anti ­
freeze or coolant on the exhaust system or
hot eng ine parts . Under certain conditions,
the ethy lene g lycol i n engine coolant can
catch fire.
{Q) Note
Do not add any type of radiator leak seala nt
to your veh icle's engine coolant . Adding radia­
to r repa ir fluid may adversely affec t the func­
tion and performance of yo ur cooling system
and could result in damage not covered by
your New Vehicle Limited Warranty.
Adding coolant
Be very careful when adding engine coolant.
Before you check anyth ing in the eng ine compart­
ment,
a lwa ys re ad an d heed all WARNINGS
210
¢ A in Working in the engine compartment on
page 203.
Requireme nt: The re must be a res idual amount
of coo lant in the expans ion tank
~CD-
.,,. Turn off the engine .
.,,. Let the engine cool down.
.,,. Place a thick rag over the coolan t expa nsion
tank ¢ page 209, fig. 184 and
carefull y turn
the cap counter-clockwise ¢.&_ .
.,,. Add coo lant mixed in the correct ratio
~ page 208, Coolant up to the MAX marking.
.,,. Make sure that the fluid level remains stab le.
Add more coolant if necessary .
.,,. Twist the cap on aga in tightly.
Replacement engine coolant must conform to ex­
act specifications ¢ page 208, Coolan t.
We recommend using only coo lant additive
G l2 +
+ , Gl3
or in an emergency Gl2+. Do not use a
different additive . In an emergency use plain wa ­
ter unt il you can get the correct addit ive and can
restore the correct rat io. Th is should be done as
soon as possible.
If you have lost a considerable amount of cool­
ant, then you should add cold antifreeze and cold
water only when the engine is cold.
Always use new engine coo lant when refilling .
Do not fi ll coolant above the "MAX " mark. Excess
coolant will be forced out th rough the pressure
relief valve in the cap when the engine becomes
hot.
A WARNING
- The cooling system is under pressure and can get very hot. Reduce the risk of scalding
from hot coolant by following these steps.
- Turn off the engine and a llow it to cool
down.
- Protect your face, hands and arms from
escaping fluid and steam by covering the
cap with a large, thick rag.
- Turn the cap s low ly and very ca refully in a
counter-clo ckwise direction wh ile app ly ing
li ght, downward pressure on the top o f
the cap.
~

Check ing and F illing
The brake fluid rese rvoir is located at the rear
partition of the engine compartment on the l eft
side ¢
page 205 .
The fl uid level may drop slightly after some time
due to the automatic adjustment of the brake
pads . This is not cause for alarm.
If th e b rake fl uid level fa lls considerably be low
the "M IN" mark, the b rake warning/ind icator
lig ht ( U.S. mode ls :
1111 , Canadian models:. )
will come on ¢
page 15. Do not contin ue to oper ­
ate the vehicle . T he comp lete brake system
should be thoroughly checked by an authori zed
Aud i dealer or qualified workshop and the cause
corrected . If the brake flu id level is too low, the
b rake warning/indicator light will i llum inate.
Contact a n author ized Audi dealer
immediately .
{D) Tips
The brake fluid reservoir is located under­
neath the cover .
Changing brake fluid
Have the brake fluid changed by an experienced
technician .
Brake fluid absorbs mo isture from the air. If the
water content in the b rake fluid is too high, cor­
rosion in the brake system may resu lt afte r ape ­
riod of t ime. The boiling poi nt of the brake flu id
will also decrease cons iderably and decrease
b raking perfo rman ce.
Therefore, the brake fluid must be changed
every
two year s.
Always use new brake fluid wh ic h con­
forms to Fede ral Motor Veh icle Standard "FMVSS
1 16 DO T 4".
The brake fluid reservoir can be diff icult to reach,
therefore, we recommend that yo u have the
brake fl uid changed by yo ur autho rized
Audi
dealer .
Your dealer has t he corre ct tools, t he
right brake fluid and the know-how to do this for
you.
A WARNING
- Brake fluid is poisonous. It must be stored
only in the closed orig inal container out of
the reach of chi ldren!
212
- Bra ke fa ilure ca n result from old or inapp ro­
priate brake fluid . Observe these precau­
tions:
- Use only brake fluid t hat meets SA E speci­
fi ca ti on
J 170 3 and con forms to Federa l
Motor Ve hicle Standard 116 . Always check
wi th yo ur autho rized Audi dea le r to make
s ur e yo u are using the correct brake fluid .
The correct type of brake flu id is also ind i­
cated on the b rake fluid reservo ir .
- The brake fluid m ust be new . Heavy use of
the brakes can cause a vapo r lock if the
brake fluid is left in the system too long .
This can se riously affect the efficiency of
the b rakes as well as your safety . This
could resu lt in an accident .
(D Note
Brake fluid will damage the paint of your veh i­
cle.
@ For the sake of the environment
Because of the problem o f proper d isposa l o f
brake fluid as well as the spec ial too ls re­
q ui red a nd the necessary expertise, we rec­
omme nd that you have the bra ke f luid
changed by yo ur autho rized Aud i dea le r.
Battery
, General information
U nder normal operating condit ions, the battery
i n your Audi does not need any maintenance.
With
high outside temperatures or long daily
drives we recommend that you have the elect ro ­
lyte level c hecked by an au thorized Aud i dealer o r
qualified workshop. The electro lyte level shou ld
a lso be che cked each time the battery is c ha rged
~ page 214.
Have the batte ry chec ked when you take yo ur ve­
hicle in for service. You are we ll adv ised to re­
pla ce a battery tha t is older than 5 yea rs.
With certain types of airbag deployment, t he
batte ry is d iscon nected from the ve hicle electri­
ca l system for safety reasons ¢.&.
in Repair, care
and disposal of the airbags on page 151. .,.

..... N
0 ::..:: co ..... ..... @ Tips
You can also use all season tires instead of
winter t ires . Please note that in some coun­
tries where w inter t ires are required, only
w inter t ires with the
& symbol may be per­
m itted.
Snow chains
Snow chains improve trac tion in the snow.
"' Only install snow chains on the front wheels.
This applies also to ve hicles w ith all wheel
drive* .
"' Check and correct the seating of the snow
chains if necessary after driving a few feet . Fol ­
low the instructions from the manufacturer.
"' Note the max imum permitted speed when d riv­
ing with snow chains . Do not ex ceed 30 mp h
(50 km/h).
Snow chains not only imp rove the
driving in win­
ter road cond itions, but also the
braking .
Use of snow chains is only perm itted with certain
r im/t ire combinations due to tec hnical reasons .
Check w ith an authorized Aud i dealer o r autho r­
iz ed A udi Service Fac ility to see if yo u may use
snow cha ins.
Use
fine-mesh snow chains . They must not add
mo re than 0.53 inch (13 .5 mm) in height , includ­
in g the chain lock.
You must remove the chains when driving on roads that are
free of snow. When roads are free
of snow, snow chains can impair handling and
damage the t ires, and t he cha ins w ill quickly be
destroyed.
_& WARNING
Us ing in co rrect snow chains o r inst alling snow
chains incorrectly can result in loss o f vehicle
cont rol, which inc reases t he risk of an acci­
dent.
([) Note
Snow chains can damage the rims/whee l cov­
ers * if the chains come into direct con ta ct
Wh eel s
with them. Remove the whee l covers* fi rst .
Use coated snow chains .
(D Tips
When driv ing wi th snow chains, it may he lp to
switch on sport/offroad mode<=>
page 178.
Low aspect ratio tires
Your Audi is factory -equ ipped with low aspect ra­
tio t ires . These tires have been thorough ly tested
and been selected spec ifically for your model for
their superb performance, road fee l and handling
under a var iety of dr iv ing condit ions . Ask your au­
thorized Aud i dea le r fo r more detai ls .
The low aspect rat io of these tires is indica ted by
a numeral of
55 or less in the t ire 's size des igna­
tion . The numeral represents the ratio of the
t ir e's s idewa ll height in relation to its t read width
exp ressed in perce ntage. Conve ntiona l tires have
a height/wid th ra tio of 60 or more.
The performance of low-asp ect-ratio tir es is par­
ticularly sen sitive to improper inflation pres ­
sure. It is therefore important that low aspect ratio tire s are inflated to the specified pressure
and that the inflation pressure i s regularly
checked and maintained. Tire pressures should
be checked at lea st once a month and alway s
before a long trip
¢ page 22 7 .
What you can do to avoid tire and rim
damage
Low aspect ratio tires can be damaged more easi ­
l y by impact with potho les, curbs, gullies or
ridges on the road, particularly if the tire is un ­
der i nflated.
In order to minimize the occurrence of impact
damag e to the tires of yo ur v ehicle, we recom­
mend that you observe the following preca u­
tions:
- Always maintain recommended inflation pres­
sures . Check yo ur tire pressure every 2,000
m iles (3,000 km) and add air if necessary.
- Dr iv e carefully on roads w ith potholes, deep
gullies or ridges. The impact from dr iving
through or over such obstacles can damage
233