Instruments  and  indicator  lights 
USA models  the  warning  light l'iJ comes  on  to
gether  with  the  warning  light 
1111. Both  sets  of 
brake  pads  on  an  axle  must  always  be  replaced  at 
the  same  time. 
.,&. WARNING 
Driving with  bad  brakes  can  cause  a  collision 
and  serious  personal  injury . 
- If  the  warning  light 
l'iJ and  the  warning 
light 
11111> with  the  message Brake pads! 
comes  on  in the  instrument cluster  display, 
immediately  contact  your  authorized  Audi 
dealer  or  qualified  workshop  to  have  all 
brake  pads  checked  or  replaced  if necessary. 
EPC Electronic  power  control 
App lies  to  veh icles:  w ith  gaso li ne  engine 
This warning/indicator  light  monitors  the  elec
tronic power  control . 
The~ warning/indicator  light  (Electronic  Power 
Control)  illuminates  when  you  switch  the  ignition 
on  as  a  function  check. 
(D Tips 
If  this  warning/indicator  light  illuminates 
while  you  are  driving,  then there  is a  malfunc 
tion  in  the  engine  electronics.  Have  the  mal
function  corrected  as  soon  as  possible  by your 
authorized  Audi  dealer  or  qualified  repair fa
cility. 
W  Glow  plug  system 
App lies  to veh icles:  w ith  d iesel  e ngi ne 
The  control  light  illuminates  when  the glow plug 
system  is active. 
If  the IJ indicator  light  illuminates, the glow 
plug  system  is active . You should  start  the  engine 
immediately  after the  indicator  light  switches 
off.  The  indicator  light  only illuminates  for  ap
proximately  1 second  if  the engine  is warm  or  if 
the  outside  temperature  is above  46  QF  (8  QC). 
l) •= USA mo del s only 
20 
(D Tips 
- If the  glow  plug  indicator  light  illuminates 
while  driving,  there  is an  engine  control 
malfunction.  The  engine  should  be  checked 
immediately . 
- If the  indicator  light  does  not  illuminate at 
all  when  switching  the  ignition  on,  there 
may  be  a  malfunction  in the  glow  plug  sys
tem . The  engine  should  be  checked . 
o Malfunction  Indicator  Lamp  (MIL) 
The  Malfunction  Indicator Lamp (MIL) is part  of 
the  On-Board  Diagnostic (OBD II) system.  The 
symbol 
¢'4 lights  up  when  the  ignition  is switch
ed  on  and  will  turn off  after  the engine  has start
ed  and  has  settled  at  a  constant  idle  speed.  This 
indicates  that  the MIL is working  properly. 
The  warning  light illuminates  when  there  is  a 
malfunction  in the  engine  electronic  system. 
Contact  your  authorized  Audi  dealer  and  have  the 
malfunction  corrected. 
An  improperly  closed  fuel  filler cap may  also 
cause  the  MIL  light  to illuminate 
~ page  210. 
For  more  information ~ page  28. 
· ~ Diesel  particulate  filter 
Applies  to veh icles : wi th  diese l eng ine  a nd diese l part iculate 
filter 
II Particulate  filter:  System  fault  See  owner's 
manual 
The  diesel  particulate  filter  requires  regenera
tion.  To  support  the  filter's  self-cleaning  func
tion: 
Drive for  approximately  15  minutes  with  these
lector  lever  in the  S position  at  a  minimum  speed 
of  37  mph  (60  km/h)  and  an  engine  speed  of  ap proximately  2,000  RPM. The  temperature  in
crease  that  will  result  from  this can  burn  off  the 
soot  in the  filter.  The symbol  will  switch  off  when 
the  cleaning  is successful.  .,.