2008 AUDI A4 AVANT trailer

5. Determine the combined weight of luggage and cargo being loaded on the
vehicle. That weight may not safely
exceed the available cargo and luggage
load capacity calculated in Step 4.
6. If your vehicle will be towing a trailer, load from your trailer will be transferred
to your vehicle. Consult this manual to
determine how this reduces the avail­
able cargo and luggage load capacity of
your vehicle.
- Check the tire sidewall(::::>
page 305,
fig. 221) to determine the designated
load rating for a specific tire.•
Tires and wheels 1111
Tire service life
The service life of tires depends on a lot of different things
including proper installation and balancing, correct tire
pressure and driving style.
•,
.._ ____________ __,
Tread Wear Indicator {TWI)
Fig. 219 Tire tread:
tread wear indicators
(TWO
Fig . 220 Rotating tires
for more even wear
The origina l tires on your vehicle have 1 /16 inch (1.6 mm) high "wear
indicators"=> fig . 219 running across the tread . Depending on the .,.
Vehic le care irechnical data

___ w_ h_ a_t _ d_ o_ l_d _ o_ n_ o_w _ ? ______________________________________________ _
Storing the replaced wheel
- Place the replaced wheel inside the spare wheel well in
the luggage compartment.
- Tighten the knurled retaining screw clockwise to secure
the wheel in place.
- Disengage and lower the floor panel before you close the
luggage compartment lid again.
& WARNING
Loose items in the passenger compartment can cause serious
personal injury during hard braking or in an accident.
• Never store the spare wheel or jack and tools
in the passenger
compartment.
• Always store all jacking equipment, tools, and the spare wheel
in the luggage compartment.
• Tighten the knurled retaining screw for the spare wheel
securely.
[ i] Tips
Check the inflation pressure of the spare tire periodically to keep the
tire ready for use. •
Wheel change
Before changing a wheel
Follow these points for your own and your passenger's
safety when replacing a wheel.
After you experience a tire failure, pull the car well away
from moving traffic and try to reach
level ground before
you
stop ~& .
-All passengers should leave the car and move to a safe
location (for instance, behind the
guardrail) ~& .
-Apply the parking brake firmly ~& .
-Move selector lever to position P on an automatic trans-
mission; put manual transmission in
first gear~& .
-If you are towing a trailer: unhitch the trailer from your
vehicle.
- Take the
tool case and the spare tire ~ page 316 out of
the luggage compartment.
& WARNING
You or your passengers could be injured while changing a wheel if
you do not follow these safety precautions:
• If you have a flat tire, move a safe distance off the road. Turn off
the engine, turn the emergency flasher on and use other warning
devices to alert other motorists.
• Make sure that passengers wait
in a safe place away from the
vehicle and well away from the roadway 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 being changed . When one
front wheel is lifted off the ground, placing the Automatic Trans-
~

Fuses and bulbs -
----------------
0 Note No. Equipment Amps
• On no account should fuses be repaired (e.g. patched up with tin 13 Steering column module 10
foil or wire) as this may cause serious damage elsewhere in the elec -14 Brake lights 10
trical circuit or cause fire.
15 Instrument cluster, Navigation system 10
• If a fuse blows repeatedly, do not keep replacing it. Instead, have
the cause for the repeated short circuit or overload tracked and Garage door opener
5
fixed.
•
Level, tire pressure control, park assist,
17 light/rain sensor 10
Fuse list Automatic headlight range control, left 5
Fuses which can be replaced. 19 Fog lights, rear fog light 15
20
Not used
No. Equipment Amps
21 Not used
1 Air conditioner 10 Front doors 15
2
Footwell illumination 5 23 Rear doors 15
3 Heated washer jets 5 Central convenience electrical system 20
4 Radiator fan 5 25 Heater blower 30
5
Telephone, oil level sensor, multifunction 10 26 Rear window defogger 30
switch, rear heated Seat, shift gate
27 Socket for trailer towing (controller) 30
6
Air conditioner (air quality sensor), air pressure 5 28 Fuel pump 20 sensor
Electronic Stabilization Program (ESP), brake
29 Not used
7 light switch, clutch pedal switch, steering angle 10 Power sunroof 20
sensor Automatic transmission, mirror dimming, diag-
31 15 8 Telephone 5 nosis socket
9 Brake booster (vacuum pump) 15 Towing assembly 15
10
Automatic headlight beam adjustment, auto -5 33 Cigarette
lighter 20
matic headlight range control, right
Electrical socket 20
11
Airbag 5 35 Luggage compartment socket 20
12
Diagnosis socket 10 Windshield wiper system 30
Do -it -yourself service

lffl __ C_ o_n_ s_ u_m _ e_ r_ ln_ f_
o _r _m _ a_ t_ i_o _n ______________________________________________ _
For additional road safety information, please visit the Road Safety
website at:
http://www.tc.gc.ca/roadsafety/menu.htm
•
Operating your vehicle outside the U.S.A. or Canada
Government regu lations in the United States and Canada require
that automob iles meet specif ic em ission regulations and safety
standards. Therefore, vehic les bui lt for the U.S.A . and Canada differ
from veh icles sold in ot her countries.
I f you p lan to take your vehic le outside the continental limits of the
Un ited States or Canada, there is the possib ility tha t
• unleaded fue ls for vehicles with cata lytic converter may not be
avai lable;
• fuel may have a considerably lower octane rating. Improper fuel
may cause engine damage;
• service may be inadequate due to lack of proper service faci lities,
t ools or test ing equ ipment;
• replacement parts may not be readily avai lable .
• Navigation syste ms for vehicles bu ilt for the U.S.A . and Canada
wi ll not necessarily work in Europe, and may not work in other coun ­
tries outside of Nort h America .
0 Note
Audi cann ot be responsible fo r mechan ical damage t hat cou ld
result from inadequate fuel, service or parts avai lab ility. •
Audi Service Repair Manuals and
Literature
Audi Official Factory Service Manuals are published as soon as
possible after model introduction Serv ice manuals are available
from :
Audi Technical Literature Ordering Center Ca ll tol l-free:
Tel. : 1 (800) 544-8021
(from 8:00 AM to 8:00 PM, EST, Monday through Friday)
or access their website www.audi .ddsltd .com on the Internet to
order repair manua ls and ot her Audi literature. •
Maintenance
General
Your vehicle has been des igne d to help keep main tenance requ ire ­
ments to a minimum. However, a certain amount of regu lar mainte ­
n ance is st ill necessary to assu re y ou r veh ic le's safety, ec onomy and
reliabi lity. For detai led vehic le maintenance consu lt your Mainte ­
nance
& Warran ty booklet.
Under difficult operating condition s, for example at extreme ly low
outside temperatures, in very dusty regions, when towing a trailer
very frequently, etc ., some service work sho uld be perfo rme d
between the intervals specified. This applies particu lar ly to :
• oil ch anges, and
• cleaning or replacing the air filter.

Alph ab eti ca l ind ex 11111
----------------------------------------- -'------------J
Tire specifications .... ...... .... .. 306
Tread depth .. .... .... ........... 303
Uniform tire quality grading .. .... . 309
Winter tires .. .. .. .... .... ...... .. 310
Tires and vehicle load limits .. ... .... . 301
Tires and wheels Checking tire pressure ... .. ...... . 299
Co ld ti re inflati on pressure ... .. .... 297
Dimens ions ...... .... ... .... .... 305
Genera l notes ..... .... ... .... .... 293
G lossary of tire and loading terminology
294
New tires and whee ls ... .. ..... .. . 305
Replaci ng . ...... .... .... ... .... . 306
Snow chains ... .. .... .... .... .... 311
Tire pressu re monito ring system .. . 307
Tires and vehicle load limits .. ...... 301
Wheel bo lts .. .... .... ... .... .... 311
Winter tires .. .. .. .... .... ...... .. 310
Tires/Wheels Lowaspectrat iotires ..... ... .... . 312
Tire pressure monitoring sys tem . ... 20
T orn or frayed safety belts . ... .... .... 180
Touch -up paint .. .... .... ... .... .... 258
Towing Tow truck procedures
Tow line eye 332
front ...... ... .. .... .... .... .... 333
Trailer towing ... .... .... .... .... ... 248
Operating instructions .... ...... .. 249
Technical requirements ... .... 248, 249
Trailer towing tips ..... .. ...... ... 250
Controls and equip­
ment Safety first
Transmission
Vehicle identification ...... .... .... .. 340
6 -speed ... ...... ... .. .... .... ... 142
Vehic le identificati on label . ....... ... . 340
Manual transmission .............. 142
Vehic le Identification Number (V IN) ... . 340
tiptron ic® .......... ...... .... ... 143
Vehicle jack .. .... .... .......... 316, 32 1
Transport Canada ... .... .... .... .... 345
Vehicle l iterature ...... ... .... .... .... . 5
Tread Wear Ind icator (TWll . ....... .. . 303
Vehicle-care products .... .... .... .... 254
Trip computer
Complete -trip memory ............ . 38
Fuel consumption rate ...... .. .... . 38
w
Mi leage .. .... .... .... .... .... ... . 38
Warning lights ... .... .... ...... ... 12, 19
Si ngle -trip memory . ...... .... .... . 38
Warning/i ndicator lights
Trip odometer ... ...... .... ... .. .... . 15
Airbag system .... .... .... ..... .. . 20
dEF indication in the trip odometer
Anti-lock Brake System (ABS) ... .... . 21
display ... .. .... .... .... ... .... . 15
Brake system ..................... 23
Turn s ignals ......................... 80
Cruise control ... .. .... ...... ...... 21
Warning/ind ica tor lights ............ 22
Electronic immobilizer ...... .. ..... 16
Electronic power control ... .... ..... 23
u Electron ic stabil ization program (ESP) 22
Generator ........................ 22
Undercoating ....... ... .. .... .... ... 261
High beam . ....... ... .... .... .... 23
Unfastening safety belts . .... .... .... 18 4
Malfunction Indicator La mp (M IU .... 20
Un idirectiona l tires . .... .... ...... ... 293 Park ing brake .. ...... .... .... ... .. 23
Uniform tire quality grading .. ... .... . 309 Safety belt ..
...... .... .... .... .... 22
U nlocking Tire pressure monitoring system ...
.. 20
Power locking switch ... .. .... .... . 59 Turn signals
...... .... .... .... .... 22
Rear lid ...... .... .... .... ... .... . 61 Warranty coverages .
.... .... .... .... 345
Remote control ................... 56 Washer reservoir .. .... ... .... .... ... 291
Using the key . ............ .... .... 58
Washing .. ...... .... .... ... .... .... 254
Automatic car wash . ...... .... ... . 255
V by hand ...... .... .... ... .... .... 255
with a power washer ... ... .... .... 256
Vanity mirror .... ............. ...... . 84
Washing the vehicle .. .... .... .... ... 254
Veh ic le e lec trical system ... .. .... .... . 22
Washing the vehicle by hand .......... 255
Vehicle operation Vehicle care Do-it-yourself service Technical data