Wheels
check the wheel alignment if have approximately the same
there is unusual wear. length of service life.
-Have the wheels rebalanced if an
For unidirectional tires, make
imbalance is causing noticeable
sure the tires are installed accord-
vibration in the steering wheel. ing to the running direction indi-
If you do not, the tires and other cated on the tire sidewall
vehicle components could wear
¢ page 264.
more quickly.
Hidden damage
Treadwear indicator
Damage to tires and rims can of-
The original tires on your vehicle ten occur in locations that are
have 1/16 inch (1.6 mm) high hidden. Unusual vibrations in the
"wear indicators" ¢
fig. 206 run-
vehicle or pulling to one side may
ning across the tread . Marks on
indicate that there is tire damage.
the tire sidewall (for example Reduce your speed immediately.
"TWI" or other symbols) indicate
Check the tires for damage. If no
the positions of the tread wear in- damage is visible from the out-
dicators. side, drive slowly and carefully to
The tires have reached the mini- the nearest authorized Audi deal-
mum tread depth
l) when they er or authorized
repair facility to
have worn down to the treadwear have the vehicle inspected
.
indicators. Replace the tires with
_& WARNING
new ones ¢&. -
Tread that has worn too low or
Wheel rotation different tread depths on the
Rotating the wheels regularly is tires can reduce driving safety.
recommended to ensure the tires This
can especially have a nega-
wear evenly. To rotate wheels, in- tive effect on handling, on the
stall the wheels from the rear risk aquaplaning when driving
axle on the front axle and vice through water, when driving
versa. This will allow the tires to through curves and when
..
.... N ci :c ": .... l) Obey
any applicable regulations in your '° "? .... country. '° ....
245
Emergency assistance
After you have loosened all wheel bolts and raised the vehicle off the ground, remove and re
place the wheel as follows:
Removing the wheel
.,. Use the hexagonal socket in the screwdriver
handle
to completely remove the topmost
wheel bolt and set it aside on a
clean surface
.::!> fig. 223.
.,. Screw the threaded end of the alignment pin
from the tool kit hand-tight into the empty bolt
hole¢
fig. 224 1> .
.,. Then remove the other wheel bolts as described
above.
.,. Take off the wheel leaving the alignment pin in
the bolt hole ¢0 .
Putting on the spare wheel
.,. Lift the spare wheel and carefully slide it over
the alignment pin to guide it in place ¢0 .
.,. Use the hexagonal socket in the screwdriver
handle to screw in and tighten all wheel bolts
slightly .
.,. Remove the alignment pin and insert and tight
en the remaining wheel bolt slightly like the
rest.
.,. Turn the jack handle counter-clockwise to lower
the vehicle until the jack is fully released.
.,. Use the wheel bolt wrench to tighten all wheel
bolts firmly ¢
page 260 . Tighten them cross
wise,
from one bolt to the (approximately) op
posite one, to keep the wheel centered.
0 Note
When removing or installing the wheel, the
rim could hit the brake rotor/ceramic brake
rotor* and damage the rotor . Work carefully
and have a second person help you.
Never use the hexagonal socket in the handle
of the screwdriver to loosen or tighten the
wheel bolts.
1
> A pp lies to vehicles with cer amic brake rotors*: Use a sec
o n d alignment p in* (sto re d in th e s pare w hee l well mold
in g) fo r the lower hole , fol low ing the descrip tion for the
fir st a lig nme nt pin .
264
-Pull the reversible blade from the screwdriv
er before you use the hexagonal socket in
the handle to turn the wheel bolts.
- When mounting tires with
unidirectional
tread design
make sure the tread pattern is
pointed the right way¢
page 264.
-The wheel bolts should be clean and easy to
turn. Check for dirt and corrosion on the
mating surfaces of both the wheel and the
hub. Remove all dirt from these surfaces be
fore remounting the wheel.
Tires with unidirectional tread design
Tires with unidirectional tread design mus t be
mounted with their tread pattern pointed in the
right direction .
Using a spare tire with a tread pattern
intended for use in a specific direction
When using a spare tire with a tread pattern in
tended for use in a specific direction, please note
the following:
- The direction of rotation is marked by an arrow
on the side of the tire.
- If the spare tire has to be installed in the incor
rect direction, use the spare tire only tempora
rily since the tire will not be able to achieve its
optimum performance characteristics with re
gard to aquaplaning, noise and wear.
- We recommend that you pay particular atten
tion to this fact during wet weather and that
you adjust your speed to match road condi tions.
- Replace the flat tire with a new one and have it
installed on your vehicle as soon as possible to
restore the handling advantages of a unidirec
tional tire.
Notes on wheel changing
Please read the information¢ page 243 if you
are going to use a spare tire which is different
from the tires on your vehicle.
A
A/C (automatic climate control) . . . . . . . . . . 77
ABS
refer to Anti-lock braking system . . . . . . . 190
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Active lane assist . . . . . . . . . . . . . . . . . . . . . . 99
Activating and deactivating . . . . . . . . . . . . 100
C leaning the camera area . . . . . . . . . . . . . 207
Descr iption . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Instrument cluster indicator light . . . . . . 100
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Notes on instrument cluster display . . . . . 100
Sett ing the steering wheel vibration . . . . 101
Adaptive air suspension/sport . . . . . . . . . . . 106
Adapt ive cruise control . . . . . . . . . . . . . . . . . . 90
C leaning the sensor . . . . . . . . . . . . . . . . . . 207
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Request for driver intervention . . . . . . . . . . 95
Stop-and-go traffic . . . . . . . . . . . . . . . . . . . 94
Adapt ive Light (defective) . . . . . . . . . . . . . . . 22
AdBlue .. .. .. .. ................. ..... 216
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Opening the tank door . . . . . . . . . . . . . . . . 217
Refilling . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Adding Engine coolant . . . . . . . . . . . . . . . . . . . . . . 228
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Additives Engine oil 225
Adjustab le steer ing column . . . . . . . . . . . . . . 80
Adjusting Air distribution (automat ic cl imate control) .78
Instrument illuminat ion . . . . . . . . . . . . . . . 51
Steering column . . . . . . . . . . . . . . . . . . . . . . 80
Temperature (automatic climate control) . 78
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 164
Advanced Airbag-System . . . . . . . . . . . . . . 150
Advanced Airbag System components . . . 152
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Ch ild restraints . . . . . . . . . . . . . . . . . . . . . 170
Components (front a irbags) . . . . . . . . . . . 152
Danger of fitting a child seat on the front
passenger seat . . . . . . . . . . . . . . . . . . . . . . 147
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Fr ont airbags ................. .. 150, 151
Index
How do the front airbags work? . . . . . . . . 154
How many airbags does my vehicle have? 152
How the Advanced Airbag System compo-
nents work together . . . . . . . . . . . . . . . . . 154
Important information . . . . . . . . . . . . . . . 146
Important safety instructions on the knee
airbag system . . . . . . . . . . . . . . . . . . . . . . . 162
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . 160
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . 156
PASSENGER AIR BAG OFF light . . . . . . . . . 156
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Safety instructions . . . . . . . . . . . . . . . . . . . 158
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 162
S ide curta in a irbags . . . . . . . . . . . . . . . . . . 165
Warning/indicator lights . . . . . . . . . . . . . . . 18
Warning/Indicator lights . . . . . . . . . . . . . 156
Weight-sensing mat . . . . . . . . . . . . . . . . . 169
When must the system be inspected? 156
Aircraft Transporting your vehicle 274
Alcantara Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Alignment pin (tire changing) . . . . . . . . . . . 256
All season ti res . . . . . . . . . . . . . . . . . . . . . . . 2 51
All Wheel Dr ive . . . . . . . . . . . . . . . . . . . . . . . 195
Alternator
refer to Generato r . . . . . . . . . . . . . . . . . . . . 15
Amb ience lighting . . . . . . . . . . . . . . . . . . . . . 50
Anti-freeze Windshield washer system . . . . . . . . . . . . 234
also refer to Engine coolant . . . . . . . . . . . 227
Anti-lock braking system . . . . . . . . . . . . . . . 190
Warning/indicator lights . . . . . . . . . . . . . . . 18
Anti-slip regulation . . . . . . . . . . . . . . . . . . . 190
Warning/indicator lights . . . . . . . . . . . . . . . 18
Anti-theft systems Electronic immobilizer . . . . . . . . . . . . . . . . . 31
ASR
refer to Anti-slip regulation . . . . . . . . . . . 190
Audi braking guard
refer to Braking guard . . . . . . . . . . . . . . . . . 90
Audi drive select
refer to Drive select . . . . . . . . . . . . . . . . . . 106
Audi Service Repair Manuals and Literature 281
AUTO Automat ic climate control . . . . . . . . . . . . . . 78
Automat ic headl ights . . . . . . . . . . . . . . . . . 46
285