2017 AUDI A5 CABRIOLET lights

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Fa ults in the brake system
If yo u should notice a sudden increase i n brake
pedal travel, then one of the two brake circuits
may have failed
¢ .&. .
Low brake fluid level
Malf unct ions can occur in the bra ke system if the
b rake fl uid leve l is too low. The brake fluid level
i s monitored e lectronica lly .
Bra ke booste r
The brake booster increases the pressure that
you generate with the brake pedal.
It works on ly
when the engine is run ning
.¢ .&.
Bra ke lining we ar status
Brake lining wear may be checked by visual in­
spection of the condition of the brake pads
through the open ings in the wheel. If necessary,
the wheel may be removed for this inspection
¢ page 228, Replacing wheels.
A WARNING
- New bra ke pads don't have the best stop­
ping power and must be "bro ken- in" dur ing
the init ia l 250 m iles (400 kilometers). Yo u
can compensate for th is by press ing the
brake pedal more firmly. This a lso applies
later when new pads are installed.
- Yo u should perfo rm braking maneuvers for
the p urpose of clean ing the brake system
only if road conditions permit. Other road
users must not be put at risk -you may
cause an accident!
- Before descending a steep grade, reduce
speed and shift t ransm iss ion into a lower
gear or lowe r driving range. Do not ride the
brakes or hold the pedal down too long or
too often. This could ca use the brakes to get
hot and diminish brak ing efficie ncy.
- Do not "r ide t he b rakes" by resting your foot
on the pe dal when yo u do not inten d to
bra ke. This may cause the bra kes to over­
heat, premat ure wear and increased stop ­
ping distance.
- Under certa in climatic and operating condi­
tio ns such as passing thro ugh water, driving
in heavy rain or after washing the vehicle,
Intellig ent Technology
the effectiveness o f the brakes can be re­
duced. In winter, ice can accum ulate on the
brake pads, lin ings, d iscs and drums . Care­
fu lly apply brakes for a test . Brakes will dry
and ice coat ings will be cleaned off after a
few ca refu l brake applications .
- Driving for an extended period of t ime on
salt-covered roads without usi ng your
b rakes can also affect braking eff iciency.
Clea n off acc umul ated salt coat ing from
b rake discs an d pa ds w ith a few careful
b rake appli cat ions .
- I f you d amage the front spoile r, or if you in­
s t all a different spoiler, be s ure the a ir flow
to the front brakes is not obstruc ted. Other­
wise the brake system could overheat reduc­ ing the effectiveness of t he ent ire bra ke sys­
tem.
- Fai lure of one brake circuit w ill impa ir the
braking capability resulting in an increased
stopping distance . Avoid driving the vehicle
and have it towed to the nearest authorized
Aud i dealer or qualified workshop.
- Never let the vehicle roll to a stop with the
engine shut off.
- If the brake booster is not working, the
brake pedal must be pressed cons iderab ly
ha rder to make up fo r the lack of booste r
assis tance .
Electro-mechanical
power assist, dynamic
steering
The electro-mechanical power assist helps the
driver when steering.
Power steer ing adapts electronically based on
the vehicle speed.
Indicator lights and messages
• Steering defe ctive! Do not drive vehicle!
If this indicato r light turns on and stays on and
t hi s message appears, the powe r steering may
have failed.
171

Intelligent Technology
It is in precisely these situations that yo u will no ­
tice energy management active ly regulating the
d istr ibut ion of energy.
Vehicle stands for an e xtended period
If you do not drive you r ve hicle over a period of
seve ral days or weeks, elec trical components are
g radually cut back or switched off . This reduces
energy cons umption and ma intains starting ca­
pability over a longer period. Some of the con­
ven ience funct ions may not operate, such as the
interior lights or the power seat adjustment. T he
conven ience functions will be available again
when yo u switch on t he ign it io n and start the en­
g ine .
With the engine turned off
If you listen to the radio, for example, with the
engine turned off o r use other MMI fu nctions,
the battery is being discharged .
If start ing capability is jeopardized due to energy
consumption, a message appears in the M MI dis­
p lay. The message indicates that the system will
be sw itched off automatically in a moment. If
you wish to cont inue using t he functions, you
have to start the engine.
With the engine running
Although electrical energy is generated when the
veh icle is being driven, t he battery can become
d ischa rged. This happens most ly when l ittle en ­
ergy is be ing generated and a g reat deal con­
sumed and t he battery's state of cha rge is not
opti mal.
To br ing the energy ba lance back into equ ilibri­
um, consume rs which req uire especially la rge
amo unts of energy a re tempora rily cut bac k or
sw itche d off. Hea ting systems i n par tic ul ar r e­
qu ire a gre at deal of energy. If you not ice, for ex ­
ample , that the heated seats* or the heated rear
window are not heating, they have been tempo ­
rari ly cu t back or switched off . These systems will
be ava ilab le aga in as soon as the energy balance
has been restored .
You will a lso notice that engine idle speed has
been inc reased slightly. This is normal and not a
cause for conce rn. By increasing eng ine idle
174
speed the a ddi tional energy required is genera t­
ed and the battery is charged.

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on necessary precautions e.g. co rrosion preven­
tion, maintenance and storage . Pay attention to
addit ional information concerning the battery .
Refer to
¢ page 203 .
Economical and environ­
mentally-friendly driving
General
Your personal style of driving will determine the
economy of your vehicle, as well as exhaust and
noise levels.
F ue l economy, environmenta l impact, and we ar
on your engine, brakes and tires la rgely depend
on three factors :
- you r persona l dr iving sty le
- operating conditions
- technical lim itations
If you anticipate what you need to do next and
drive economically, you can eas ily cut your fue l
consumption by
10-15 percen t. This section will
g ive you some tips on how you can help the envi ­
ronment and yo ur pocketbook .
(!) Tips
The consumpt ion estimates as published by
ENVIRONMENTAL PROTECTION AGENCY (EPA) and Transport Canada may not cor re­
spond to your actual consumption on the
road, which will va ry depending upon vehicle
load and speed, road and wea ther condi tions,
t rip length, etc.
Drive smoothly and keep a lookout ahead
Vehicles use the most fuel when they are acceler­
ating.
" Avoid unnecessary accelerating a nd braking .
Veh icles use the most fuel when they are acceler ­
ating . If you anticipate what is going to happen
next , you will need to brake less and, thus, accel­
e rate less . let the vehicle coast wheneve r possi ­
b le -fo r example when yo u see that the next traf­
fic light is red.
Driving and the envir onment
Avoid full throttle
Driving at moderate speeds saves fuel and im­
proves your mileage .
"Try and keep well below your car 's maximum
speed.
Acce lerating gently reduces fuel consumption,
engine wear, and does not disturb the environ­
ment.
Fuel consumption, exhaust emissions and engine
noise increase disproport ionately at high speeds.
If you drive at approximately three quarters of
top speed, fuel consumption will be reduced by
one half. Never drive faster than the posted
speed limit and weather cond itions permit .
Reducing unnecessary idling
Even when your car is jus t idling it burns up fuel.
" Shut the eng ine off when you are not driving
the vehicle.
" Do not warm up the vehicle by lett ing the en-
gine run at idle.
It makes sense to shut off the engine in traffic
jams, when waiting for trains to pass at railroad cross ings, or at traff ic lights that have long waits
on red . Turning the engine off for just
30 -40 sec ­
onds saves more f uel than is burned starting the
. . engine again.
It takes a long time for the eng ine to warm up
fully when it is running at idle . However, wear
and noxious emissions are especially h igh when
the engine is warming up . So yo u should dr ive
away as soon as you start the eng ine and avoid
runn ing at high rpms w hile the engine is st ill
warming up .
(D Note
Do not leave eng ine idling unattended after
s tart ing. If wa rning lights sho uld come on to
i ndicate improper operation, they would go
unheeded . Extended idling also prod uces
heat, which could resu lt in overheating or
other damage to the vehicle or other proper­
ty .
177

Trailer towing Driving with a trailer
General information
Your Audi was designed primarily for passenger
transportation .
If you plan to tow a trailer, please remember that
the additional load will affect durability, econo­
my and performance.
Trailer towing not only places more stress on the
vehicle, it also calls for more concentration from
the driver.
For this reason, always follow the operating and
driving instructions provided and use common
sense.
Technical requirements
Trailer hitch
Use a weight-carrying hitch conforming to the
gross trailer weight. The hitch must be suitable
for your vehicle and trailer and must be mounted
securely on the vehicle's chassis at a technically
sound
location . Use only a trailer hitch with a re­
movable ball mount . Always check with the trail­
er hitch manufacturer to make sure that you are
using the correct hitch.
Do not use a bumper hitch.
The hitch must be installed in such a way that it
does not interfere with the impact -absorbing
bumper system . No modifications should be
made to the vehicle exhaust and brake systems .
From time to time, check that all hitch mounting
bo lts remain securely fastened.
When you are not towing a trailer,
remove the
tra iler hitch ball mount . This prevents the hitch
from causing damage shou ld your vehicle be
struck from beh ind ¢
,&. .
Trailer brakes
If your trailer is equipped with a braking system,
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Trailer towing
The trailer hydraulic brake system must not be
directly connected to the vehicle's hydraulic
brake system ¢.&. .
Safety chains
Always use safety chains between your vehicle
and the trailer.
Trailer lights
T ra iler lights must meet all regulations . Be sure
to check w ith your author ized Audi dealer for cor­
rect wiring, switches, and relays.
Mirrors
If you are unable to see the traffic behind you us­
ing the regular outside mirrors, then you
must in­
stall extended mirrors. It is important that you
always have clear vision to the rear.
,8. WARNING
-If a tra iler has electr ical brakes please note
that these bra kes are not activated by the
factory-fitted control unit -risk of accident!
- After removing the trailer hitch, do not
store it in your vehicle. In case of sudden
braking, the hitch could fly forward and in­
jure you or your passengers.
Operating instructions
Maximum trailer weight
A trailer for your vehicle is limited to a typical
class 1 or class 2 trailer.
Trailer load distribution
Be sure the load in the trailer is held sec ure ly in
place to prevent it from shifting forward, back­
ward or sideways.
Never allow a passenger to ride in a trailer¢.&.
in Driving instructions on page 180.
Engine cooling system
Towing a trailer makes the engine work harder . It
is important that the cooling system's perform ­
ance is up to the additional load . Make sure that
the cool ing system has enough fluid. .,..
179

Trailer towing
Tire pr essure
When tow ing a tra iler, inflate the tires of yo ur
veh icle to the tire pressure listed under " Fu ll
load" on the label ¢
page 217. Inflate trai ler
tires to trai ler and tire manufacturers' specifica­
tions.
Lights
The headlight settings should be chec ked with
the trailer attached before driving off . Check to
make sure both vehicle and trailer lights are
working properly.
Safety chains
Be s ure t railer safety chains are properly connect­
ed from the trailer to the hitch on the vehicle .
L eave enough slack in the chains to permit turn ­
ing corners. When you install safety chains, make
sure they wi ll not drag on the road when you are
driving.
The chains shou ld cross under the trailer tongue
to prevent it from dropping in case of separation
from the hitch.
Driving instructions
Driving with a trailer always requires extra care
and consideration .
Weight distribution
Towing a loaded trailer with an empty car res ults
in a high ly unstable distribution of weight . If this
cannot be avo ided, drive at very low speeds on ly
to avoid the risk of losing steering control.
A "balanced" rig is easie r to operate and cont rol.
This means that the tow vehicle should be loaded
to the extent possible and permissible, while keeping the trai ler as light as possib le under the
circumstances . Whenever possible, transfer
some cargo to the luggage compartment of the
tow vehicle while observ ing tongue load requ ire­
ments and vehicle loading considerat ions .
Spe ed
The higher the speed, the more difficult it be­
comes for the driver to contro l the rig. Do not
drive at the maximum permiss ible speed. Reduce
your speed even more if load, weather or w ind
180
conditions are unfavorab le -particularly when
going downhi ll.
Reduce vehicle speed
immediate ly if the trailer
shows the slightest sign of sway ing.
Do not try
to st op the swaying by accele rating.
Observe speed limits. In some a reas, speeds fo r
vehicles towing tra ilers are lower tha n for regular
vehicles.
A lways apply brakes ear ly . When driving down­
hill, shift into a lower gea r to use the engine
braki ng effect to slow the vehicle. Use of the
brakes alone ca n cause them to overheat and fa il.
Coolant temperature
The coolant temperature gauge¢ page 8 must
be observed carefully. If the needle moves close
to the upper end of the scale, reduce speed im­
med iate ly and/or tu rn off the a ir cond itioner .
If the coolant temperatu re warning light . in
the instrument cluster starts flashing, p ull off
the road, stop and let the engine
idle for about
two minu tes to p revent heat build-up .
.&, WARNING
Anyone not properly res trained in a moving
vehicle is at a much greater risk in an acci ­
dent . Never let anyone ride in your car who is
not properly wear ing the restraints provided
by Aud i.
Trailer towing
information
Important to know
-
Your vehicle handles differently when towing a
trailer because of the addit iona l weight and dif­
ferent weight distribution. Safety, performance
and economy will greatly depend on how careful­
ly you load your tra iler and operate your rig.
Before you actually tow your trailer, pract ice
turning, stopping and backing up in an area away
from traffic. Keep pract icing u nti l you have be­
come completely fam iliar w ith the way your vehi-
cle-tra ile r combination behaves and respo nds . .,.

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wash operator to reduce the risk of acc idents.
- To reduce the risk of cuts, protect yourself
from sharp metal components when wash­
ing the underbody or the inside of the wheel
housings .
- After washing the vehicle, the brak ing effect
may be delayed due to mo isture on the
brake rotors or ice in the w inter . This in­
c reases the risk of an acc ident. The bra kes
must be d ried fi rst w ith a few careful b rake
applications.
(D Note
- If you wash t he vehicle in an automatic car
wash, yo u m ust fold the exte rior m irrors in
to reduce the risk of damage. Power fo ld ing
exter ior mir ro rs* m ust only be folded in and
out using t he power folding fu nction .
- To reduce the risk of paint damage, do not
wash the vehicle in d irect sunlig ht.
- To reduce the risk of damage, do not wash
th e power top wit h a press ure washe r.
Ca re and cleaning
- To re duce the risk of damage to the surface,
do not use insect removing sponges, kitchen
sponges or s imilar items .
- Matte finish painted veh icle components:
- To reduce the risk of damage to the sur-
face, do not use po lishing agents or hard
wax.
- Never use protective wax . It can destroy
the matte finish effect .
- Do not place any stickers or magnetic
signs on vehicle parts painted with matte
finish paint . The paint cou ld be damaged
when the stickers or magnets are re­
moved .
@ For the sake of the environment
Only wash the vehicle in facili ties s pec ia lly de­
s igned for that pu rpose. This will reduce the
r isk of dir ty wate r contam ina ted with o il from
en te ring the sewe r sys tem.
Cleaning and care information
When cleaning and caring for individua l vehicle
components, refer to the follow ing tables. The
in fo rmat ion conta ined there is s imp ly recom­
mendations . Fo r q uest ions or for components t
h at are not listed, consult an autho rized Aud i
dealer or authori zed Audi Se rvice Fac il ity. Also
f o llow the information fo und in ~ &, .
Exterior cleaning
Component Situation
Solution
Windshield wiper
Deposi ts ~ page 54, Cleaning windshield wiper blades
blades
Headlights/ Tail
Deposits Soft sponge with a m ild soap solutiona)
lights
Sensors /camera
Deposits Sensors: soft cloth wit h solvent-free cleaning solution
lenses Camera lenses: soft cloth w ith alcohol-free cleaning solu-
tion
Snow/ice Hand br ush/solven t-free de-icing spray
Wheels Road salt Water
Brake dust Acid-free s
pecial clean ing so lu tion
E x haust tail pipe s Road salt Water, cleaning solution su itab le for stainless stee l, if nee -
essary
183

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Care and cleaning
Component Situation Solution
T ex til es
Deposits adhering to Vacuum cleaner
art ifici al leat her, the surface
A lcan tara Water-based deposits Absorbent
cloth and mild soap solutiona>
such as coffee, tea,
b lood, etc.
Oil -based deposits Apply a m ild soap solution
a), blot away the dissolved o il or
such as oil, make-up, dye, treat afterward with water, if necessary
etc.
Special deposits such Special stain
remover, blot with absorbent material, treat
as ink, nail polish, la- afterward with mild soap solution, if necessary
a)
tex paint, shoe pol-
ish, etc.
Natu ral le ath er Fresh stains Wool cloth with a mild soap solution a)
Water-based deposits Fresh stains: absorbent cloth
such as coffee, tea, dried stains: stain
remover suitable for leather
b lood , etc.
Oi [-based deposits Fresh stains: absorbent cloth and stain
remover suitable
such as oil, make-up, for leather
etc. dried stains: oil cleaning spray
Special deposits such Spot remove r suitab le for leather
as ink, nail polish, la-
tex paint, shoe pol-
ish, etc.
Care Regularly apply condit ion ing c ream that protects from
lig ht and penet rates into the material. Use specia lly-co l-
ored conditioning cream, if necessary .
Carbon part s Deposits clean the same way as plast ic parts
a) Mi ld soap solution: maximum two tablespoons of neutral soap in 1 q uart (1 liter) of water
.8, WARNING
The windshield may not be trea ted with wa­
ter-repelling windshield coating agents. Un ­
favorable cond itions such as wetness, dark­
ness, or low sun can result in increased glare.
Wiper blade chatter is also possible.
@ Note
- Headlight s/tail li ght s
-Never clean headlights or tail lights with a
dry cloth or sponge.
- Do not use any cleaning product that con­
tains alcohol, because they could cause
cracks to form.
- Whe els
-
- Never use any pa int polish or other abra­
sive materials .
- Damage to the protect ive layer on the
rims such as stone chips or scratches must
be repaired immediately .
-Sen sor s/cam era l enses
- Neve r use warm or hot water to remove
snow or ice from the camera lens . This
could cause the lens to crack .
- Neve r use ab rasive cleaning materials or
a lcohol to clean the camera lens. This
could cause scratches and cracks .
-Powe r top
- Remove bird droppings immediately .
185

Check ing and F illing
Audi oil quality standard
Gas olin e
VW 502 00 or
engi ne vw 50400
A udi reco mmend s
~Castrol I jgl[J,'fE{g ?r,w.:..~J ri, '.IA!,
Audi rec ommends Longlif e high perform ance
engi ne oil from Au di Genuin e Parts
Using the proper engine oil is important for the
functionality and service life of the engine. Your
engine was factory-filled with a h igh-quality oil
which can usually be used throughout the entire
yea r.
(D Note
Your Limited New Vehicle Warranty does not
cover damage or malfunctions due to failure
to follow recommended maintenance and use
requirements as set forth in the Audi Owner's
Manual and Warranty & Maintenance booklet .
- Use only a high qual ity eng ine oil that ex-
pressly complies with the Audi oil quality
standard specified for your vehicle's engine .
Using any other oil can cause serious engine
damage.
- Do not mix any lubricants or other additives into the engine oil. Doing so can cause en­
gine damage.
@ Tips
If you need to add oil and there is none availa ­
ble that meets the Audi oil quality standard
your engine requires, you may add a total of
no more than 0.5 quart/liter of a h igh-quality
"synthet ic"oil that meets the following speci­
fications.
- Vehicles w ith gasoline eng ine: ACEA A3 or
API SM with a viscosity grade of SAE OW-30,
SAE 5W-30 or SAE 5W-40.
- For more information about engine o il that
has been approved for your vehicle, please
contact either your authorized Audi dea ler
or Aud i Custome r Relat ions at
1 (800) 822- 2834 or visit ou r web site at
www.audiusa.com or www .aud icanada.ca.
196
· Eng ine oil consumption
The engine in your vehicle depends on an ade­
quate amount of oil to lubricate and cool all of
its moving parts.
In order to provide effect ive lubricat ion and cool­
i ng of internal engine components, all internal
combust ion eng ines consume a certa in amount
of oil. Oil consumption var ies from engine to en­
gine and may change sign ificantly over the life of
the engine . T ypically, engines w ith a specified
break -in period (see¢
page 175) consume more
oi l during the break-in period than they consume
after oil consumption has stabilized.
U nder normal cond itions, the rate of oil con­
sumption depends on the quality and viscosity o f
the oil , the RPM (revo lutions per minute) at
which the engine is operated, the ambient tem­ perature and road conditions. Further factors are
the amount of o il dilution from water condensa­
tion or fuel residue and the oxidation level of the
o il. As any engine is subject to wear as mileage
builds up, the o il consumption may increase over
ti me unt il replacement of wo rn compo nents may
become necessary.
With all these variables coming into play, no standard rate of o il consumption can be estab­
li shed or spec ified . T he re is no alte rnative to reg­
u la r and freq uent checki ng of the oi l level, see
Note.
If the yellow engine oil level warning symbo l II
in the instrument cluster lights up, you sho uld
chec k the o il level as soon as possible
¢
page 197. Top off the o il at your earlies t con­
venience
¢ page 197.
A WARNING
Before you check anything in the engine com­
partment, always read and heed all WARN­
INGS
¢ .&. in Working in the engine compart­
ment on page 193.
(D Note
D riving with an insuffic ient oil level is likely to
cause severe damage to the eng ine.