Intelligent Technology
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Audi con nect .
Electronic Stabilization
Control (ESC)
Description
E SC helps to imp rove ro a d hold ing and vehicle
dynamics to help reduce the probab ility of skid
d ing and loss of veh icle control. It works only
when the engine is runn ing . ESC detects certain
d iffic ult dr iving situat io ns, including when the
ve hicl e is begin ning to spin (yaw) o ut of contro l
a nd h elps you to ge t the veh icle b ack u nder con
trol by se lectively braking the wheels, and/or re
ducing engine powe r and providing steering as
sistance to help hold the vehicle on the driver's intended course. The indicator light
GI in the in
strument cluster blinks when ESC is tak ing action
t o he lp you contro l the vehicle.
ESC has lim itations. It is important to remembe r
that ESC cannot overcome the laws of physics. It
will not a lways be able to help out under all con
d itions you may come up aga inst . For example,
ESC may not always be able to help you master
situations where there is a sudde n change in the
coeff ic ie nt of fr iction of the road surface. W hen
there is a se ction of dry road tha t is sudde nly cov
e red with w ater, slush o r sn ow , ESC c annot pe r
form the same way i t wou ld on the dry s urface. If
the vehicle hydrop lanes (rides on a cushion of wa
ter instead of t he road su rface), ESC wi ll not be
ab le to he lp you stee r the veh icle because contact
with the pavement has been inter rupted and the
ve hicle cannot be b raked or steered . Dur ing fast
cornering, part icu larly on w inding roads, ESC
can not always deal as effect ive ly w it h difficult
d riving situat ions than a t lowe r speeds . When
towi ng a trail er, ES C i s not able to help you re
g ai n con trol as it would if you we re not towing a
tra ile r.
A lways ad just yo ur speed and driving sty le to
road , tr affic and weathe r cond itions. ESC canno t
override the vehicle's phys ical lim its, incre ase the
170
available tract ion, or keep a vehicle on the road i f
r oad depa rt u re is a res ult of d river inattention .
Instead, ESC improves the poss ib ili ty of keeping
the ve hicle unde r contro l and on the road d uring
extreme maneuvers by using the driver's steer ing
i nputs to help keep the vehicle going in the in
tended direction . If you are traveli ng at a speed
t h at causes you to r un off the road before ESC
can p rovide any assista nce, you may not exper i
ence the benefi ts of ESC.
ESC is switched on all the time. In certa in s itua
tions when you need less tract ion, yo u can sw itch
off AS R by press ing the button
I!] c:> page 171,
fig. 152 or c> page 171 , fig. 153. Be s ure to
swi tch ASR on again w hen you no longer need
l ess trac tion.
The following systems a re in tegrated in the ESC:
Anti-lock braking system (ABS)
ABS prevents the wheels from locking up when
braki ng . The vehicle can st ill be steered even d ur
i ng hard b raking . Apply steady p ressure to the
brake peda l. Do not pump the pedal. A p uls ing in
t h e b rake pedal indica tes th at th e system is help
i ng yo u to b rake t he ve hicle.
Brake assist system
The bra ke assist system can decrease braking dis
ta nce. It increases b raking powe r whe n the dr iver
presses t he br ake peda l quickly i n emergency sit
u at io ns. Yo u must pre ss and ho ld the bra ke peda l
u nt il t he s itu at ion is ove r. In vehicles wi th adap
tive cr uise con trol *, the brake assist sys tem is
more sensitive if t he di stance detected to the ve
h icle ahead is too sma ll.
Anti-slip regulation (ASR)
ASR redu ces engine powe r whe n the dr ive whee ls
begin to spi n and a da pts the fo rce to the road
con ditio ns. Thi s ma kes it easier to s tart, acce le r
ate and d rive up hills .
Electronic differential lock (EDL)
The ED L brakes w heels that are spi nning and
t ra nsfe rs the dr ive power to the ot her dr ive
whee l or w heels if the vehicle is equ ipped with
a ll- wheel drive*. This function is not avai lab le at
h ighe r speeds. .,..
,-1 N
0 1-CX)
,-1 I.Cl U"I
,-1 I.Cl ......
In extreme cases, EDL automatically switches off
to help keep the brake on the braked wheel from
overheating. EDL w ill switch on aga in automati
cally when conditions have returned to normal.
Steering recommendation
The ESC helps to stabilize the vehicle by changing
the steering torque .
In vehicles with dynamic steering*, ESC also
helps to stabilize the steering in critical situa
tions.
Electronic interaxle differential lock*/
selective wheel torque control*
The electronic interaxle differential lock (front
wheel drive) or the selective wheel torque control
(all wheel drive) operates when driving through
curves . The front wheel on the inside of the curve
or both wheels on the inside of the curve are
braked selectively as needed. This allows more
precise driving in curves. The applicable system
may not activate when driving in wet or snowy
conditions .
_&, WARNING
- The ESC and its integrated systems cannot
overcome the laws of phys ics. Th is is espe
cially important on slippery or wet roads.
If
the systems begin acting to stabilize your
Switching on /off
Intelligent Technology
veh icle, you should immediately change
your speed to match the road and traffic conditions. Do not let the increased safety
provided by these systems tempt you to
take risks. Doing so will increase the risk of
a loss of vehicle control, collision and seri
ous personal injuries.
- Always adapt your speed to road, traffic and
weather conditions. The risk of losing con
trol of the vehicle increases when driving
too fast, especially through curves and on
slippery or wet roads, and when driving too
close to vehicles up ahead . The ESC and its
integrated systems cannot always prevent
collisions -there is still a risk of accidents!
- Always accelerate with special care on even,
smooth surfaces such as those that are wet
or covered with ice and snow. The drive
wheels can spin even with these assistance systems that cannot always help to reduce
the risk of loss of vehicle control.
{!) Tips
- ABS and ASR only work correctly when all
four wheels are equipped with identical
tires. Different tire sizes can lead to a reduc
tion in engine power.
- You may hear noises when the systems de
scribed are working .
ESC turns on automatically when you start the engine.
Fig. 152 Version A: lower center console,~ OFF button
The ESC is designed to function in levels. Depend
ing on the level that is selected, the stabilization
function of the ESC is limited or switched off. The
Fig. 153 Version B: upper center console,~ OFF button
amount of stabilization control will differ de
pending on the level.
a, N N N ,.: CX) m
171
Trailer mode notes
Important to know
Your vehicle handles different ly when tow ing a
trailer because of the additional weight and d if
ferent weight distr ibution. Safety, perfo rmance
and economy will greatly depend on how careful
ly you load your trailer and operate your rig .
Before you actually 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 difficult and requires pract ice.
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 will need more
room to stop. To compensate for the trailer, you
will need a larger than normal turning radius.
When pass ing, remember 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 changing 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 your vehicle.
- If you tow a trailer, your Audi may require
more frequent maintenance due to the ex
tra load
c::> page 244.
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 the foot brake.
0 ~ .. Have someone place chocks under both the ve-
~ hicle and the trailer wheels. Lil ,...., v:, ,....,
Trailer mode
.. With chocks in place, slowly release the brakes
until the wheel chocks absorb the load.
.. Turn the wheels towards the curb .
.. Apply the parking brake.
.. Place an automatic 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 D/S, respectively a
manual transmission in first gear .
.. Release the parking brake and slowly pull out
and away from the wheel chocks.
.. Stop and have someone retrieve the wheel
chocks.
(D Tips
If you move the selector leve r 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.
183
Wheels
"XL" "xl" "EXTRA LOAD" or "RF" I I I
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 w ill have to p ur
chase new tires to match the new rim diameter .
Rim size designation
means rim diameter and width.
Rim width
means nomina l distance between
rim flanges.
S idewall
means that portion of a tire be
tween the tread and bead .
Speed rating (letter code)
means the speed at which a tire is
designed to be driven for extend
ed periods of time. The rat ings
range from 93 mph (150 km/h)
to 186 mph (298 km/h)
¢ table
on page 206 .
You may not find
this information on all tires be
cause it is not requ ired by law.
2 10
The speed rating letter code,
where applicable, is molded on
the tire sidewall and ind icates the
maximum permissible road
speeds
¢ .&. in Winter tires on
page 220.
Tire pressure monitoring system*
means a system that detects
when one or mo re of a vehicle's
tires are underinflated and illum i
na tes a low tire pressure warning
te lltale .
Tread
means that portion of a tire that
comes into contact w ith the road .
Tread separation
means pulling away o f the tread
from the t ire carcass .
Treadwear indicators (TWI)
means the projections within the
principal grooves designed to give
a visua l indication of the deg rees
of wear of the tread. Se e
¢ page 214, Treadwear indicator
for more information on measur-
ing tire wear. .,.
Wheels
the risk of an accident. Read and follow the important safe
ty precautions in r=:> page 217,
Tires and vehicle load limits.
-The tire must flex more if the tire pressure is too low or if
the vehicle speed or load are
too high. This heats the tire up
too much. This increases the
risk of an accident because it
can cause the tire to burst and
result in loss of vehicle con
trol.
- Incorrect tire pressure in
creases tire wear and has a
negative effect on driving and
Tire pressure table
Please note that the information
contained in the following table
was correct at the time of print
ing, and the information is sub
ject to change. If there are differ ences between this information
and the tire pressures specified
on the label on the driver's side 8-pillar, always follow the specifica
t ion on the 8-pillar label
r=:> page215, fig.169.
216
braking behavior, which in
creases the risk of an accident.
(D Note
Replace lost valve caps to re
duce the risk of damage to the
tire valves.
@ For the sake of the environment
Tire pressure that is too low in
creases fuel consumption.
(D Tips
Audi recommends using the
tire pressure specified for a normal load
r=:> page 216 or for
a full load when the vehicle is
part ially loaded .
Make sure that the tire designa
tion on your tire matches the des ignation on the tire pressure label
and the tire pressure table.
The following table lists recom mended tire pressures in cold
tires according to the load and the size of the tires installed.
.... N
0 Ico ....
them to the proper pressure. Driving on a signifi
cantly under-inflated tire causes the tire to over
heat and can lead to t ire failure. Under-inflation
a lso reduces fuel efficiency and tire tread life,
and may affect the vehicle 's handling and stop
p ing ability .
Please note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's re
sponsib ility to ma intain correct tire pressure,
even if under-inflation has not reached the level
to tr igger illum inat ion of the TPMS low tire p res
sure telltale.
Your veh icle has also bee n eq uipped w ith a TPMS
malfunct ion indicator to indicate when the sys
tem is not operat ing properly . The TPMS ma l
function ind icator is combined w ith the low tire
p ressure tellta le. Whe n the system detects a
malfunct ion, the te lltale will flash fo r approx i
mately one mi nute and then remain continuo usly
illuminated. This sequence will continue upon
subseq uent veh icle start-ups as long as the ma l
function ex ists .
When t he malfunction indicator is ill uminated,
the system may not be ab le to detect or signal
l ow tire press ure as intended. TPMS ma lf u nctions
may occur for a var iety of reasons, including the
installation of replacement or alternate t ires or
wheels on the vehicle that prevent the TPMS
from functioning properly . Always c heck the
TPMS malfunction telltale afte r rep lacing one o r
mo re t ires o r whee ls on your ve hicl e to e nsur e
th at t he replacement or al tern ate tir es and
wheels a llow the TPMS to con tinue to function
p roperly .
Wheel s
If the Tire Pressure Monitoring System
indicator appears
Applies to vehicles: with tire pressure monitor ing system
The tire pressure indicator in th e instrument
cluster informs you if the tire pressure is too low
or if there is a sys tem malfunction.
Fi g. 17 1 Instrumen t cl uster: indicator lig ht w ith mess age
U sing the ABS sensors, the t ire pressure monito r
ing system compares the tire tread c ircumfer
ence and v ibration characterist ics of the ind iv idu
al tires. If the press ure changes in one or more
t ir es, th is is indicated in the instrument cluster
display with an indica to r li ght
HE and a message.
If only one tire is affected, the loc ation of tha t
t ir e will be indicated.
T he t ire press ures mus t be stored in the Infota in
me nt system again each time t he pr essures
c h ange (switching between parti al and full load
pressure) or afte r changing or replac ing a tire on
yo ur vehicle ¢
page 224 . The tire p ressure moni
toring system on ly monitors the tire pressure you
have stored. Re fer to the t ire pressure label for
the recommended t ire pressure for yo ur vehicle
r=> page 215, fig . 170.
T ire tread c irc umference and vibration character
istics can change and ca use a tire press ure warn
ing if :
- the tire pressure in one or more tires is too low.
- t he t ire h as str uctural damage.
- t he t ire w as re pla ce d or the t ire pressu re was
ch anged and it was no t stored ¢
page 224 .
- the spare tire* is i nstalled .
Indicator lights
HE Loss of pressure in at least one tire¢.& .
Check the tires and replace or repair if necessary .
IJJ,,
223
Wheels
Check/correc t the p ress ures o f all four tires and
store the pressure again in the Infotainment sys
tem
¢ page 224.
mm (Ti re Pressure Moni to ring System) Tire
pressure: S ystem malfunction !.
Ifm:im appears
after switc hing the ignition on or whi le driving
and the
RI] i ndicator light in the instrument cl us
ter blinks for approximate ly one minute and then
stays on, there is system malfunction. Try to
store the correct tire pressures¢
page 224 . If
the ind icator light does tur n off or turns on again
after a short period of t ime, dr ive to an a uthor
ized Audi dealer o r autho rized Aud i Service Faci li
ty immedia tely to have the malfunct ion corre ct
ed .
A WARNING
- If the ti re pressu re indicator appears in the
display, reduce your speed immediate ly and
avoid any hard steering or braking maneu
vers. Stop as soon as possib le and check the
t ires and t heir pressure.
- The driver is responsib le for maintaining the
correct tire pressure. You must check the
t ire pressure regu larly .
- Under certain conditions (such as a sporty
dr iv ing style, winter cond itions or unpaved
roads), the pressure mon itor indicator may
be delayed.
- Do not use run-flat tires on your vehicle. Us
ing them when not permitted can lead to
vehicle damage or accidents.
(D Tips
- The t ire pressure monitoring system can al
so stop work ing when there is an ESC mal
funct ion.
- Using snow chains may result in a system
malfunction.
- The t ires with the identification "AO" or
"RO" ¢
page 212 have been matched with
your Audi tire pressure monitoring system .
We recommend that you use these t ires.
224
· Storing tire pressures
Applies to vehicles: with tire pressure mo nitoring system
If the tire pressure changes or a tire is replaced,
it must be confirmed in the Infotainment sys
tem .
.,. Make sure before stor ing that the t ire pressures
of all four tires meet the specified values and
are adapted to the load
¢ page 215.
.,. Sw itch on the ign ition .
.,. Sele ct: the
I CARI fu nct ion button > Tire pres·
s ure monitoring
cont rol button. O r
.,. Select: the
I CAR I fun ct ion but ton > Car Sys
tem s*
control b utton > Serv icing & checks >
Tire pressure mon itoring .
(D Tips
Do not store the tire pressures if snow chains
are installed .
.... N
0 Ico ....
place away from the vehicle and well away
from the road and traffic.
- To help prevent the vehicle from moving
suddenly and possibly slipping off the jack,
always fully set the parking brake and block
the wheel diagonally opposite the wheel be
ing changed with the folding chocks or oth
er objects. When one front wheel is lifted
off the g round, plac ing the Automatic
T ransmission in "P" (Park) will
not prevent
the vehicle from moving .
- Before you change a wheel, be su re t he
ground is level and firm. If necessary, use a
stu rdy board under the jack.
- Always sto re the veh icle tool k it, the jac k*
and the replaced tire in the luggage com
partment ¢
page 118 .
(1) Note
If you are cha nging the whee l on a steep in
cline, use a rock or similar objec t to block the
opposi te whee l to prevent the veh icle from
moving.
@ Tips
Obey all laws .
Changing a wheel
When you change a wheel, follow the sequence
described below step-by-step and in exactly that
order.
1. Remove the deco rative wheel cover * or the
whe el bolt cap s*. For more deta ils see also
¢ page 228, Decorative wheel covers or
¢ page 228, Wh eels with wh eel bolt caps.
2. Loosen the wheel bol ts ¢ page 228.
3 . Locate the proper mounting point for the
jack and align the jack below that point
¢ page 229.
4. Lift the car with the jack¢ page 229.
5 . Remove the
whe el with the flat tir e and then
insta ll the
s pare tire ¢ page 230 .
6. Tighten all wheel bo lts lightly.
7 .
Low er th e ve hicle w it h the ja ck .
Em ergenc y ass is tanc e
8. Use the wheel bolt wrench and firmly tighten
all wheel bo lts in a crisscross pattern
¢ page 228.
9. Replace the deco rati ve w heel co ver* or the
wheel bolt caps* .
A WARNING
Always read and follow all WARNINGS and in
fo rmation
¢ .&. in Raising the vehicle on
page229and ¢page 231.
After changing a wheel
A wheel change is not complete without the do
ing the following .
.,. Always store the vehicle too l kit, the jack*, and
the replaced tire in the luggage compartment
¢ page 118 .
.,. Check the tire pres sure of the spare tire as soon
as poss ible.
.,. As soon as poss ib le, have the
tigh tening tor
qu es
on a ll wheel bolts checked with a torque
w rench. The correct tightening torque is
90 ft
lbs.
(120 Nm) .
.,. Hav e the flat tire
repl aced as soon as possible .
(D Tips
-If you notice that the wheel bo lts are co r
roded and difficult to turn while changing a
tire, they shou ld be replaced before you
check the tightening torque.
- Drive at reduced speed unti l yo u have the
tightening torques checked.
227