228 Tire s and wheel s
-Never mount used tires on yo ur vehicle if
you are not sure of their "previous histo
ry." Old used tires may have been dam
aged even though the damage cannot be
seen that can lead to sudden t ire failure
and loss of vehicle control.
- If you notice unusual vibration or if the
vehicle pulls to one side when driving, al
ways stop as soon as it is safe to do so
and check the wheels and tires for dam
age.
(D Note
Please note that summer and winter tires
are designed for the cond itions that are
Glossary of tire and loading terminology
Accessory weight
means t he comb ined we ight (in excess of
those sta ndard items which may be rep laced)
of au toma tic tra nsmission, power steer ing,
power brakes, power windows, power seats,
radio, and heater, to the extent that th ese
items are availab le as factory -installed equip
ment (whether installed or not) .
Aspect ratio
means t he ratio of the he ight to the w idth of
the tire in percent . Numbers of 55 or lower in
dicate a low sidewall for improved steering re
sponse and better overall handling on dry pavement .
Bead
means the part of the ti re that is made of
steel wires, wrapped or reinforced by ply cords
and that is shaped to fit the rim.
Bead separation
means a b reakdown of the bond between
components in the bead.
Cord
means the strands forming the plies in the
tire . typ
ica l in those seasons . Audi recommends
using winter tires during the winter
months . Low temperatures signif icant ly
decrease the e lasticity of summer tires,
which affects tract ion and brak ing ability.
If summer tires are used in very co ld tem
peratures, cracks ca n form on the tread
bars, res ulting in permanent tire damage
that can cause loud driving no ise and un
balan ced t ires. Audi is not responsible for
th is type of damage .
Cold tire inflation pressure
means the tire p ressu re recommended by t he
vehicle manufacturer fo r a tire of a des igna ted
s iz e that has not bee n driven for more than a
coup le of miles (k ilometers) at low speeds in
t h e three hour period before the tire pressure
is measured or adjusted.
Curb weight
mea ns the we ight of a motor ve hicl e w ith
standard equipment including the max imum
capacity of fuel, oil, and coolant, air condi
tioning and additional weight of optiona l
equipment.
Extra load tire
me ans a t ire design to operate at higher loads
and at h igher inflation pressures than the cor
responding standard tire . Extra load tires may
be identified as "XL", "x l" , "EXTRA LOAD", or
"RF" on the sidewall.
Gross A xle Weight Rating ("GAWR ")
means the lo ad -c a rry ing c apac ity of a s ingle
axle system , measured a t the tire-ground in
terfaces.
Gross Vehicle Weight Rating ("GVWR ")
mea ns the maximum total loaded we ight of
t h e ve hicl e. .,.
Front seats
Adjusting .. ..... ..... ... .. .. .. ... 123
Ch ild restra ints in the front seat ... .. . 141
Upper cabin heating . . . . . . . . . . . . . . . . . 73
F ue l
Additives ... .... .. .... ... .. .. .. ... 207
Blended gasoline . ..... ... .. .. .. .. . 207
Consumpt ion ... ...... ... .. .. .. .... 25
F ill er neck .. ............. .... .. ... 209
Fue l gauge . ............. .... .. .... 12
Gasoline . ............ ...... .... .. 207
Gasoline additives . ....... .. .. .. .. . 209
L ow fuel level symbo l . . . . . . . . . . . . . . . 2 1
Octane rating ............ .... .. ... 207
Recommend ation ......... .. .. .. .. . 20 7
Refue lling . ..... ...... ... .. .. .. .. . 210
Reserve .... .... .. .... ... .. .. .. .... 12
Tank capacity ..... .... ... .. .. .. ... 267
T ank system ............. .... .. .. .. 21
Unlock ing the fue l filler f lap by hand . . 211
Fu el economy mess ages (eff iciency pro-
g ram) ..... .. .. .. ... . .... ... .. .. .... 27
Fue l filler flap
Un loc king t he fue l fi ller flap by ha nd . . 211
Fuses Assig nment . . . . . . . . . . . . . 255, 256, 257
Replacing .. ................ ... ... 255
G
Garage door opener (HomeL ink)
117
Gas discharge lamps ..... ... .. .. .. .. . 25 8
Gauges Eng ine coolant temperature .. .. .. .. .. 10
F ue l gauge . . . . . . . . . . . . . . . . . . . . . . . . 1 2
Tachome ter . . . . . . . . . . . . . . . . . . . . . . . 11
General illustration Ins trumen ts and controls . . . . . . . . . . . . . 8
Generator War ning/ indicator lights ... .. .. .. .. .. 17
Glossa ry o f tire and load ing te rm ino logy 228
Glove compartment . . . . . . . . . . . . . . . . . . 67
GP5 controlled clock ..... ... .. .. .. .. .. 12
Gro ss Veh icle Weight Ra ting (GVWR) .. . 265
Inde x 279
H
Head lights
Cleaning system . . . . . . . . . . . . . . . . . . . . 57
Defective ... .... .. . .. .. ..... ... .. . 21
Head light range control ............. 22
Left hand drive, r ight hand drive . . . . . . . 54
Travel mode . . . . . . . . . . . . . . . . . . . . . . . 54
Head light washer reservoir .... ... .. .. 226
Head restra ints .. ... ................ 124
Adjus ting . . . . . . . . . . . . . . . . . . . . 64, 1 24
Heated exter ior mirrors . . . . . . . . . . . . . . . . . . . . 55
rear w indow ... .............. ...... 72
seats ........ ... .. ................ 72
windshield washer sp ray no zzles . .. .. . 57
Heating .. .. .. .. .. .. ................ 70
Heavy clothing and safety be lts . ... .. .. 135
Hig h beam .. .. .. .. .. . .. .... .... .. .. . 53
Hig h voltage warning label ....... .. .. 265
Hill des cen t con tro l ................. . 90
Homeli nk (remote control) ...... ... .. 117
Hood Open ing . ... .. .. .. .. ... ..... ... .. 212
Re lease lever .. .. ................. 212
Hor n ...... .. .. .. .. .. ........... .. .. 8
How are child restraint system anchors re-
lated to ch ild safety .. . .. .. .. ... ... .. 175
How many a irbags does my vehicle have? 147
How ofte n should I che ck my tire pres -
s u res? ... .. .. .... .. . .. ... .... ... .. 234
How safety belt pretens io ners work .... 138
Hydrop laning ... .... . ... ...... ... .. 237
I
Ign it ion
switching on/off .... . .. ..... ... .. .. . 75
Ig nition key
E mergency un lock ing .. ............. . 34
Ig nition lock .. .. .... ........ ..... .. . 75
Ind icator light ... .. .. .. ...... .... .. 18
Malfunction . . . . . . . . . . . . . . . . . . . . . . . 23
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 12
Impo rtant t hings to do befo re drivi ng .. 121
Improperly worn safety belts ......... . 138
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