malfunction, the component will be identified
and the fault stored as a code in the control module memory.
The MI L light may a lso illuminate if there is a
l eak in the on-board fue l vapor recovery sys
tem . If the light illuminates after a refuelling,
stop the veh icle and make sure the fue l filler
cap is properly closed ¢
page 178.
In o rder to make an accurate diagnosis, the
stored data can only be displayed using spe
cial diagnostic equipment (gener ic scan tool
for OBD).
I n o rder to connect the special diagnostic
equipment, push the plug into the Data Link
Connector (DLC) . The DLC is located to the
right of the hood release ¢
fig. 24.
Your authorized Audi dealer or a qualified
service station can interpret the code and per
form the necessary repair .
A WARNING
Do not use the diagnostic connector for
personal use. Incorrect usage can cause
malfunctions, which can increase the risk
of a coll is ion!
Electronic speed limiter
-
Your veh icle may be factory equipped with
tires that are rated for a maximum speed of
130 mph (210 km/h) . T his is less than the
maximum speed o f yo ur vehicle. To reduce the
risk of s udden tire failure and loss o f control if
the vehicle is operated at excessive speeds,
your vehicle also has an electronic speed limit
er. The electronic speed limiter prevents your
veh icle from going faster than the tire speed
rating. For more informat ion ¢
page 207 .
If the engine control unit rece ives fau lty vehi
cle roadspeed signa ls, the Ma lfunction Indica
tor Light (MIL)
(ii w ill illuminate. If this oc
curs, contact the nearest author ized Audi
deale r for assistance .
Driver in formati on sys tem 3 1
S models
Your vehicle's top speed is elect ronically limit
ed to 155 mph (250 km/h) .
If the engine control unit receives faulty veh i
cle roadspeed signals, the Malfunction Ind ica
tor Lamp (MIL)
¢"4 will illumina te . If this oc
curs, contact the nearest authorized Audi
dealer for assistance.
RS model s
Your vehicle's top speed is electron ically limit
ed to 175 mph (280 km/h).
If the engine control unit receives faulty vehi
cle roadspeed signals, the Malfunction Ind ica
tor Lamp (MIL)
¢"4 will illuminate . If this oc
cu rs, contact the nearest authorized Audi
dealer for assistance.
A WARNING
-
A lways observe the posted speed lim its
and adjust your speed to suit prevailing road, traffic and weather conditions. Never
drive your vehicle faster than the maxi
mum speed rating of the tires installed.
1 78 Fuel supply and filling your fuel t ank
transport fue l to use for your lawn mower,
snow blower, etc., be very careful and al
ways observe local and state laws regard
ing the use, transportat ion and storage of
such fuel containers . Make certain the con
tainer meets industry standards (A NSI/
AS TM F852 -86) .
(D Note
Never drive your vehicle unti l the fuel tank
is completely d ry. The irreg ular s upply of
fuel can cause misfir ing. Gasoline cou ld
e nte r into the exhaust system and damage
t he cata lytic conve rter.
Refuelling
Fi g. 12 9 Drive r's doo r: Un lo cki ng fuel f ille r flap
Fi g. 130 Fu el cap hooke d on the opened fuel filler flap
When adding fue l, the ignition and any ce llu
lar phones in the vehicle must be sw itched
off .
Tak ing the fuel cap off
• To open the fuel filler flap, pull the button
r:> fig. 129.
• Unscrew fuel filler cap counter-clockwise
and hang it o n the fuel filler flap ¢
fig. 130 .
Refuelling procedure
• Insert the f uel no zz le from the gasoline
pump into the fuel fi ller neck as far as it w ill
go .
• Select a med ium refuelling rate so that the
no zz le sw itches off automatically when the
tank i s full.
Putting the fuel cap back on
• After fi lling your tank, twist the fuel filler
cap clockw ise until you hear a definite click.
• Close the fue l filler flap.
T o avoid fuel s pill ing or evaporating from the
fuel tank always close fuel filler cap properly and completely . An improperly closed fuel fi ll
er cap may also cause the MIL lamp¢
page 30
to come on.
A WARNING
Imp roper refue ling or handling of fuel can
cause fire, explosion and severe burns.
- Fue l is highly flammable and can cause
severe burns and other injur ies .
- Fai lure to shut the engine off while refu
eling and/or to insert the pump nozzle
fu lly into the fuel filter neck could cause
fuel to spray out of filler neck or to ove r
f low. Fuel spray and overflowing fuel can
cause a fire.
- Never use a ce llu lar telephone whil e re
fue ling . Th e e lec tromagnet ic radiat io n
can cause spa rks th at can igni te fuel v a
pors an d cause a fire.
- N ever get back in to your vehicle whi le re
fue ling.
If in excep tio nal cir cumstances
you must get back in your vehi cle while
ref ueling, make ce rtain that you close
the door and touch metal to discharge
static electricity be fore touching the fill
er nozzle again . Static e lectr icity can
cause sparks that can ignite fuel vapors
re leased d uring refueling .
- Never smoke or have an open f lame any
where in or near your ve hicle when refu
eling or fi lling a portable fue l conta iner .