engine coolant AUDI A6 2017 User Guide

co
co
.... N
" N .... 0 0 <..:l 'SI'
The coolant leve l is monitored through the. in­
dicator light
c::> poge 14. However, we do recom­
mend occasionally check ing the coo lant level
manually.
If you m ust add coolant, use a m ixture o f water
and coolant additive . M ixing the coolant additive
w ith d istilled water is recommended.
Coolant additive
The coolan t addi tive is made of ant i-freez ing and
corrosion protection agents. Only use the fo llow­
i n g coo lant additives . These additives may be
mixed wit h each other .
Coolant additive Specification
Gl3 TL774J
Gl2++ TL 774 G
The amount of coo lant add itive that needs to be
mixed with water depends on the climate where
the veh icle will be ope rated. If the coolant addi­
tive percentage is too low, the cool ant can freeze
and damage the engine.
Coolant Freeze protec-
additive tion
Warm regions min . 40% m
in. -13 ° F
max. 45% (-25 °C)
Cold regions min . 50% max . -40 °F
max . 55% (-40 °C)
(D Note
-
Befo re the start of winter, have your author­
i zed Audi dealer or author ized Audi Se rvice
Facility check if the coolant additive in yo ur
vehicle ma tches the percen tage approp riate
fo r th e climate. This is especially import ant
whe n driving in co lder climates .
-If the approp ria te coolant addi tive is no t
available in an emergency, do no t ad d any
other additive. You co uld damage the en­
gine. If this happens, only use wate r and re­
store the correct mixture ratio with the
spec ified coolant additive as soon as possi­
ble.
- Only refill with new coo lant .
- Radiator sealant must not be mixed with
the coo lant .
Checking and Filling
Adding coolant
Fig. 184 En g in e compa rtment : coo lant expa nsion ta nk
cove r
Observe the safety prec autions c::> A in Working
in the engine comportmen t on page 198.
Checking the engine coolant level
Park the vehicle on a level surface.
.,. Switch t he ignit ion off.
.,. Read the coolant level on the coolant expansion
tank
c::> page 201, fig . 182. The coolant level
must be between the MIN and MAX mark ings
when the engine in cold. When the eng ine is
warm it can be slightly above the MAX marki ng.
Adding coolant
Requirement: there must be a residua l amount of
coolant in the expansion tank
c::> (D .
.,. Let the eng ine cool down .
.,. Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockw ise
c::> .&_ .
.,. Add coo lant m ixed in the cor rect rat io
c::> page 204 u p to the MAX mark ing.
.,. Ma ke sure that the f luid level remains stab le.
Add mo re coolant if necessary.
.,. Close the cap sec urely.
Coo la nt loss usually i ndicates there is a lea k. Im­
med iate ly drive you r ve hicle to a n author ized
Audi dealer or authorized A udi Se rvice Faci lity
and have the cooling system inspected. If the
cooling system is not leak ing, a loss can come
from the coolant boiling through overheat ing
and being pushed out of the cooling system.
205

Checking and Filling
_& WARNING
-The cooling system is under pressure. Do
not open the coolant expansion tank cap
when the engine is hot. This increases the
risk of burns.
- The coolant additive 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.
CD Note
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
continue driving. See an authorized Audi deal­
er or authorized Audi Service Facility for assis­
tance .
Brake fluid
Fig. 185 Engine compartment : ca p on brake fl uid re servoir
Observe the safety precautions c::> .&. in Working
in the engine comportment on page 198.
Checking the brake fluid level
• Read the brake fluid level on the brake fluid
reservoir
c::> page 201, fig . 182. The brake fluid
level must be between the MIN and MAX mark­
i n gs c::> .,&. .
The brake fluid level is monitored automatically .
206
Changing the brake fluid
Have the brake fluid changed regularly by an au­
thorized Audi dealer or authorized Audi Service Facility.
_& WARNING
- If the brake fluid level is below the MIN
marking, it can impair the braking effect
-
and driving safety, which increase the risk of
an accident . Do not continue driving . See an
authorized Audi dealer or authorized Audi
Service Facility for assistance.
- If the brake fluid is old, bubbles may form
in the brake system during heavy braking.
This would impair braking performance and driving safety, which increases the risk of an
accident .
- To ensure the brake system functions cor­
rectly, only use brake fluids that comply
with VW standard 50114 or FMVSS-116 DOT 4.
CD Note
-If the brake fluid level is above the MAX
marking, brake fluid may leak out over the
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 complex power supply, all work
on batteries such as disconnecting, replacing,
etc. should
only be performed by an authorized
Audi dealer or authorized Audi Service Facility
c:::, &.
The term "vehicle battery" refers to the 12 Volt
battery in your vehicle.
Detailed warnings for the vehicle battery:
®) Wear eye protection.
~ Battery acid is highly corrosive. Wear pro-
~ tect1ve gloves and eye protection. ..,.

Consumer information
scope of maintenance and repairs which can be
carried out by vehicle owners.
Also, safety and
environmental
concerns place very strict limits
on the nature of repairs and adjustments to en­
gine and transmission parts which an owner can
perform .
Maintenance, adjustments and repairs usually re­
quire special tools, testing devices and other
equipment available to specially trained work­
shop personnel in order to assure proper per­
formance, reliability and safety of the vehicle and
its many systems .
Improper maintenance, adjustments and repairs
can impair the operation and reliability of your
vehicle and even void your vehicle warranty.
Therefore, proof of servicing in accordance with
the maintenance schedule may be a condition for
upholding a possible warranty claim made within
the warranty period.
Above all, operational safety can be adversely af­
fected, creating unnecessary risks for you and
your passengers.
If in doubt about any servicing, have it done by
your authorized Audi dealer or any other properly
equ ipped and qualified workshop. We strongly
urge you to give your authorized Audi dealer the
opportunity to perform all scheduled mainte­
nance and necessary repairs. Your dealer has the
facilities, original parts and trained specialists to keep your vehicle running properly.
Performing limited maintenance yourself
The following pages describe a limited number of procedures which can be performed on your vehi­
cle with ordinary tools, should the need arise and
trained personnel be unavailable. Before per­
forming any of these procedures, always thor­
oughly read all of the applicable text and careful­
ly follow the instructions given. Always rigorously
observe the
WARNINGS provided.
Before you check anything in the engine com­
partment, always read and heed all WARNINGS
c> & and c> & in Working in the engine compart­
ment on page 198.
260
A WARNING
-
-Serious personal injury may occur as a result
of improperly performed maintenance, ad­
justments or repairs .
- Always be extremely careful when working
on the vehicle. Always follow commonly ac­
cepted safety practices and general com­
mon sense. Never risk personal injury.
- Do not attempt any of the maintenance,
checks or repairs described on the following pages if you are not fully familiar with these
or other procedures with respect to the ve­ hicle, or are uncertain how to proceed.
- Do not do any work without the proper tools
and equipment. Have the necessary work
done by your authorized Audi dealer or an­
other properly equipped and qualified work­
shop.
- The engine compartment of any motor vehi­
cle is a potentially hazardous area. Never
reach into the area around or touch the radi­
ator fan. It is temperature controlled and
can switch on suddenly - even when the en­
gine is off. The radiator fan switches on au­
tomatically when the coolant reaches a cer­
tain temperature and will continue to run
until the coolant temperature drops.
- Always switch off the ignition before anyone
gets under the vehicle.
- Always support your vehicle with safety
stands if it is necessary to work underneath
the vehicle. The jack supplied with the vehi­
cle is not adequate for this purpose and
could collapse causing serious personal in­
Jury.
- If you must work underneath the vehicle
with the wheels on the ground, always make
sure the vehicle is on level ground, that the
wheels are always securely blocked and that
the engine cannot be started.
- Always make sure the transmission selector
lever (automatic transmission) is in P (Park
position) and the park brake is applied. ..,

co
co
.... N
" N .... 0 0 <..:l ' @ For the sake of the environment
-Changing the engine settings will adversely
affect emission levels. This is detrimental to
the environment and increases fuel con­
sumption.
-Always observe environmental regulations when disposing of old engine oil, used brake
fluid, dirty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers might be classified as Perchlorate Mate­
rial -special handling may apply, see
www .dtsc.ca.gov/hazardouswaste/perchlo­
rate. When the vehicle or parts of the re­
straint system including airbag modules
safety belts with pretensioners are scrap­
ped, all applicable laws and regulations
must be observed. Your authorized Audi
dealer is familiar with these requirements
and we recommend that you have your deal­ er perform this service for you.
Accessories and
technical changes
Additional accessories and parts replacement
Always consult on authorized Audi dealer before
purchasing accessories.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
This safety could be compromised by non-ap­ proved changes to the vehicle. For this reason, if
parts have to be replaced, please observe the fol­
lowing points when installing additional accesso­
ries:
Approved Audi accessories and genuine Audi parts are available from authorized Audi dealers.
These dealers also have the necessary facilities, tools and trained specialists to install the parts
and accessories properly .
Consumer information
A WARNING
Using the wrong spare parts or using non-ap­
proved accessories can cause damage to the
vehicle and serious personal injury.
- Use only accessories expressly approved by
Audi and genuine Audi spare parts
- These parts and accessories have been spe­
cially designed to be used on your vehicle.
- Do not use license plate brackets in the
front area that are different from the one
installed at the factory, or add additional li­
cense plate brackets.
- Never install accessories such as telephone
cradles or beverage holders on airbag covers
or within the airbag deployment zones. Do­
ing so will increase the risk of injury if air­
bags are triggered in an accident!
- Before you check anything in the engine
compartment, always read and heed all
WARNINGS Qpoge 198.
(D Note
-If items other than genuine Audi spare
parts, add-on equipment and accessory
items are used or if repair work is not per­
formed according to specified methods, this
can result in severe damage to your vehi­
cle's engine and body (such as corrosion)
and adversely affect your vehicle's warranty.
- If emergency repairs must be performed
elsewhere, have the vehicle examined by an
authorized Audi dealer as soon as possible.
- The manufacturer cannot be held liable for
damage which occurs due to failure to com­
ply with these stipulations.
Technical Modifications
Our guidelines must be complied with when tech­
nical modifications ore mode.
Always consult an authorized Audi dealer
before
starting work on any modifications.
This will help ensure that vehicle function, per­
formance and safety are not impaired
Q ,&.
261

co
co
.... N
" N .... 0 0 <..:l ' Electronic speed limiter . . . . . . . . . . . . . . . . . 26
Electronic stabilization control
Indicator light . . . . . . . . . . . . . . . . . . . . . . .
16
Elec tronic Stabili zation Control . . . . . . . . . . 120
Sport mode . . . . . . . . . . . . . . . . . . . . . . . . 121
Emergency assistance . . . . . . . . . . . . . . . . . 236
Emergency braking function . . . . . . . . . . . . .
75
Emergency flashers . . . . . . . . . . . . . . . . . . . . 43
Emergency locking the front passenger door 32
Emergency operat ion
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
Luggage compartment lid . . . . . . . . . . . . . . 36
Selector lever . . . . . . . . . . . . . . . . . . . . . . . .
82
Sunroof .. .. .. ............. .. .. .. .. .. 38
Emergency release
Fuel filler door . . . . . . . . . . . . . . . . . . . . . .
194
Emergency starting . . . . . . . . . . . . . . . . . . . 249
Energy management . . . . . . . . . . . . . . . . . . 124
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 14
Engine
Coolant
... ' .................. ... ' . . 204
Prewarming . . . . . . . . . . . . . . . . . . . . . . . . . 70
Start-Stop system . . . . . . . . . . . . . . . . . . . . 72
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Starting with jumper cab les . . . . . . . . . . . 249
Stopp ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Warming up/cooling down . . . . . . . . . . . . . 66
E ng ine compartment
Opening/closing the hood . . . . . . . . . . . . .
200
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Safety precautions . . . . . . . . . . . . . . . . . . . 198
Eng ine control ( indicator light) . . . . . . . . . . . 17
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Adding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Checking the eng ine o il level . . . . . . . . . . . 203
Fuel consumption . . . . . . . . . . . . . . . . . . . 203
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 1 S
O il consumption . . . . . . . . . . . . . . . . . . . . .
202
Specif ication and viscosity . . . . . . . . . . . . . 201
Engine sound . . . . . . . . . . . . . . . . . . . . . . . . 104
Engine speed limitation (indicator light) 18
Eng ine Start/Stop mode
refer to Sta rt/Stop system . . . . . . . . . . . . . 7 4
Engine warm-up request
Indicator light . . . . . . . . . . . . . . . . . . . . . . .
18
Index
Environment
Catalytic conv erter . . . . . . . . . . . . . . . . . . .
197
Diesel particulate filter . . . . . . . . . . . . . . . 198
Proper disposal of drained engine oil . . . . 204
Unleaded fuel.... .. ............... .. 190
EPC (engine contro l) . . . . . . . . . . . . . . . . . . . . 17
ESC
Automatic post-collision braking system .
120
also refer to Electronic stabilization con-
trol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120
ESP
refer to Electronic stabilization control . . 120
Event Data Recorder ( EDR) . . . . . . . . . . . . . 126
Exterior lighting . . . . . . . . . . . . . . . . . . . . . . . 41
Exterior mirrors
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
D' . 1mming ........ .. .................. 45
Heating... .... .. .. ............... .. . 45
Ex terior temperature display.......... .. .
21
F
Fastening
Booster seats . . . . . . . . . . . . . . . . . . . . . . .
181
Convertible child safety seats . . . . . . . . . . 179
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 17 7
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Folding the rear seats. . . . . . . . . . . . . . . . . . . 57
Foot pedals . . . . . . . . . . . . . . . . . . . . . . . . . . 133
For the sake of the environment
Environmentally-friend ly driving . . . . . . . . 67
Fueling . . . . . . . . . . . . . . . . . . . . . . . . . . . .
192
Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Warming up the engine . . . . . . . . . . . . . . . . 70
Freeze protection
Coolant additive
Front airbags
. . .. ................ . 204
Description . . . . . . . . . . . . . . . . . . . . . . . . . 151
How they work . . . . . . . . . . . . . . . . . . . . . . 157
Frontal collisions and the laws of physics . . 140
Front seats
Adjusting . . . . . . . . . . . . . . . . . . . . . . . . . .
130
Child restraints in the front seat . . . . . . . . 148
also refer to Seats . . . . . . . . . . . . . . . . . . . . SO
267