26 Dr ive r information d is play
Fuel economy messages
Applies to vehicles: with trip computer w ith eff iciency
program
Fig. 22 Display: fuel economy message
Fue l economy messages are disp layed when
fuel consumption is increased by certain con-
ditions. If you follow these fuel economy mes-
sages, you can reduce your vehicle's consump-
tion of fuel. The messages appear automati-
cally and are only displayed in the efficiency
program. The fuel economy messages turn
off
automatically after a certain period of time .
~
To turn a fuel economy message off imme-
diately after it appears, press the
I RESETI
button ¢ page 23, fig. 18 @ , or
~
Press the function selection switch
9 page23, fig.18 @ .
(D Tips
- Once you have turned a fuel economy
message
off, it will only appear again af-
ter you turn the ignition on aga in.
- The fuel eco nomy messages are not dis-
played in every instance, but rather in in-
tervals over a period of time.
On-Board Diagnostic
system (OBD)
Malfunction Indicator Lamp (MIL)
The Malfunction Ind icator Lamp (MIL) flllifi in
the instrument clus t er
9 page 13, fig. 8 is
part of the On-Board Diagnostic (OBD II) sys-
tem .
The warning/indicator light illuminates whe n
the ign ition is switched on and goes out after
the engine starts and the idle has stabilized.
This indicates that the MIL is working proper-
ly.
If the light does not go out after the engine
is started, or illuminates while you are dr iv-
ing, a malfunction may exist in the engine sys -
tem. If the light illuminates, the catalytic con-
verter could be damaged.
Continue driving
with reduced power (avoid-
ing sustained high speeds and/or rapid accel-
erations) and have the condition corrected.
Contact your authorized Audi dea ler.
If the light illum inat es, the electronic speed
limiter may also be mal functioning. For more
information ¢
page 2 7, Electronic speed
limiter .
An improperly closed fuel filler cap may also
cause the MIL light to illuminate
¢ page 229.
On-Board Diagnostics
Fig. 23 Location of Data Link Connector (OLC)
On-Board Diagnostics monitors the compo-
nents of your em iss ion contro l system . Each
monitored component in your engine system
has been assigned a code . In case of a mal-
function, the component will be identified
and the fault stored as a code in the control
module memory.
The MIL light may also illuminate if there is a
leak in the on-board fuel vapor recovery sys-
tem . If the light illuminates after a refueling,
stop the vehicle and make sure the fuel filler
cap is properly closed ¢
page 229. .,..
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