
Memories 
The trip  computer  is equipped  with  two  fully  automatic 
memories . 
Fig. 21  T rip c omput er 
di spl ay : m emory l evel 
1 
You ca n switch  be twee n the  t rip  computer  1 a nd  2  by p ressing  the 
Rese t button @=> fig.  22 
You can  tell  wh ich  memory  level  is  currently  active  by the  number  in 
the  display => fig . 21 . The data  from  t he single-trip  memory  (memory 
level  1)  is be ing d isp layed  if a 
1 appea rs in the  display . If a 2 is shown, 
then  t he data  from  the  total-trip  memory  is being  displayed  (memory 
level  2) . 
Single-trip  memory  (Trip  computer  1 ) 
The sing le-tr ip memory  sto res the  trip  informat ion from  the  t ime  the 
ign ition  is turned  on  unt il it  is t urned  off . 
If the  trip  is  cont inued 
within  2  hour s from the  time  the  ignition  was  turned  off,  the  new 
data  will  be  included  in the  ca lculation  of  the  current  tr ip  informa
tion . 
If the  tri p  is  interrup ted  for more  than  2  hours t he  memory  is 
reset  automatically. 
Total-trip  memory  (Trip  computer  2) 
Unlike the  single-trip  memory,  the  total-tr ip  memory  is  not  reset 
au tomatically.  This pe rmit s you  to eva luate  yo ur driv ing data  fo r the 
entire  period  between  manual  resets. • 
Contro ls a nd e quip 
m en t  Vehicle 
OP-eration 
Driver  information  display 
Operation 
The trip  comp uter  is controlle d by  two  swit che s on  the 
w ind shield  wi per  lev er. 
Fig . 22  W indsh ield 
w ipe r lev er:  co nt rol s 
fo r the  trip  compute r 
-Push  the  fu nctio n se le ctor  sw itch  up  or  down @~ fig . 22 . 
Thi s will  cause  th e five  d ist inc t trip  c om puter  func tion s  to 
be  dis played  o ne  aft er anoth er. 
The trip com puter  w ill not  oper ate u nless  the  igni tion  is on.  When  you 
turn  o n the  ignit ion, the  function  that  was  in use  when  you  last  turned 
t he  igni tion  off  w ill  be  dis played. 
For example , in add it ion  to the  trip  compu ter  informat io n, the  direc
tion  of  the  navigation  system  is a lso  d is p layed . To switch  t he  display 
be tween  the  different  info rmation,  tap  the  Reset  butt on @  briefly . 
Setting  values  to  zero 
To dele te one c ur rent  value  from  the  tr ip computer,  select  the 
desired  f unct io n  an d press  the  Reset  b utton ® for  at  least  one 
second . The following  values  can  be set  to  zero 
individually using  the 
Reset  b utton : 
•  elapsed  time 
•  average  fuel  mileage 
•  average  speed 
Vehicle  care  Do-it-yourselt service  iTechnical data  

Opening  and  closing 
Keys 
Key  set 
Fig. 23 Key set 
© Ma ster  key  with  remote  control 
You can  centrally  lock  a nd  u nlock your  ve hicle  and  start  the  eng ine 
with  the  master  key with  remote  contro l. 
@Valet  key 
The  va let  key  only  fi ts  the  lock  in the  d river's  door  and  the  ig nition 
lock . If you  have  to  leave  the  key with  somebody  e lse,  you  are  well
advised  to  turn  over  the  vale t key only . 
Be aware  tha t the  rear  lid  a nd  g love  compartment  can  be  opened 
from  inside  the  vehicle  using  the  re lease  buttons.  It  is therefore  best 
t o activa te the  vale t key function  to  preven t una uth o rized  access  to 
the  glove  compartment  and  the  luggage  compartment  when 
someone  else  h as  charge  of  your  vehicle::::> 
page 40. 
© Emergency  key 
The  emergency  key is only  for  tempo rary  use  if the  vehicle  key should 
be  lost  or  misplaced  => 
&. 
Controls  and  equip 
ment  Safety  first 
Opening  and  closing 
Key  replacement 
If you  lose  a  key,  contact  your  a
uthorized  A udi dea ler  immediately  to 
have  t he 
lost key  d isab led.  Be sure  to  bring  all  you r keys  wi th yo u. 
Registered  keys 
You can  chec k to  f ind  out  how  many  keys  have  been  reg iste red  to  yo ur 
vehicle . Therefore,  w hen  b uy ing  a  used  vehicle,  make  sure  to  get  all 
of  the  remote  keys  be long  to  it . 
Calling  up  the  registered  keys=> 
page 11. 
Da ta  in  the  master  key 
During  driving,  serv ice  and  ma intenance- relevant  data  is continu
o u sly sto red  on  yo ur maste r key.  Your Aud i serv ice  adviser  c an  re ad 
out  this  data  and  tell  you  about  the  work  your  vehicle  needs.  This a lso 
applies  to  vehicles  wi th Co nvenience  key *. 
& WARNING 
•  Do  not  leave your vehicle  unattended  with  the  key in the  igni
tion  lock.  Entry  by unauthorized  persons could endange r you or 
re sult  in  theft  or dam age the  vehicle.  Alway s lock all  doors and 
take  the  key. 
•  Do not  leave children  unattended  in the  vehicle,  especially with 
access to  vehicle  keys. Unguarded  access to  the  keys p rovides chil 
dr en the  opportunity  to  start  the  engine  and /or activate  vehicle 
systems such as the  power  windows  etc . Unsupervised  operation 
of  any vehicle  system  by children  can result 
in serious injury. 
[  i ] Tips 
•  If you  open  t he  dr iver 's  door  wi th  the  key  left  in the  ignit ion  lo ck, 
a ch ime  will  sound . This  is your  reminde r to  remove  the  key and  lock 
the  doo r. 
IJ),,, 
Vehicle  care  Technical data  

Check  Light  in  the  master  key 
The check  light  in the  master  key provides  information 
about  different  conditions. 
Check light  functions  in the  master  key : 
Vehicle  within  range  of  the  key 
Fig . 25  C heck lig ht  in 
the  m aster k ey 
If the  vehicle  is w ith in  range  of the  key, the  check  light  comes  on 
briefly  once  w hen  a  button  is pressed. 
Vehicle  outside  the  range  of  the  key 
If the  veh icle  is outside  t he  range  of the  key, the  c hec k light  comes  on 
briefly  once  and  then  shows  the  status  of  the  vehicle  door  locks: 
•  If the  light  is fl as hi ng  q uickly, the  veh icle  is  not  locked. 
•  If  the  light  is f lashing  slow ly, the  vehicle  is  locked . 
State  of  master  key  battery 
If the  check  light  does  not  come  on,  the  battery  is dea d and  has  to  be 
replaced . I n  addition,  when  the  battery  is dead  the  symbol  appea rs 
i n the  instrument  cluste r display  as well  as  the  message : 
Please replace  ma ster  ke y battery 
Battery  replacement~ page 39. 
Con tro ls a nd e quip 
m en t  Vehicle 
OP-eration 
Opening  and  closing 
(I) Tips 
Please note  that  the  c urrent  state  of  the  vehicle  doo r locks  can  only 
be  recalled  wit h the  master  key t hat  was  last  used  to  lock the  vehicle. 
It is poss ib le tha t a d ifferen t state  is shown  fo r the  door  lo cks on  the 
other  master  key which  is not  the  same  as  that  of the  vehicle .• 
Master  key  battery  replacement 
Each mas ter key  contains  a battery  hous ed  under  th e 
cover. 
Fi g.  26  Master  key: 
o pe ning the  c ove r 
We  reco mmend  having  the  ba ttery  chang ed by an  au thori zed 
dealer ship . However , if you  wi sh  to  replace  th e  dead  b atte ry 
yourse lf,  proc eed  as  follows : 
- Pry apart  the  base~  fig. 26  @and  the 
cover @carefully 
with  a c oin. 
- Remove  the  cover  (arrow). 
- Remove  the  dead  battery  from  the  cover . 
- Install  th e new  ba ttery . Please  make  c ertain  that  the"+" 
sign  on  t he  ba ttery  faces  down . Correct  po lar ity  is shown 
o n  the  cover.  .,,. 
Vehicle  care  Do-it-yourselt  service  iTechnical data  

When  the  function is switched  on,  the  buttons  for  opening  the  rear  lid 
and  glove  compartment  have  no  function. However,  please  note  the 
following  except ions: 
Exceptions 
If  the  ignition  has  been  switched  on  using  the master  key, you  can 
st ill  open  the  g love  compartment. 
As  long  as  the  ign it ion  is switched  off,  you  can  st ill open  the  rear  lid 
using  the  rear  lid  button  on  the 
master  key c:s . The  same  holds  true 
for  using  the  rear lid  release  handle  in  co njunction  w ith  the  Conve
nience  key*. 
For  this  reason,  be  sure  to only  hand  over  the 
valet  key to  the  person 
who  will  take  charge  of  your  vehicle . 
[ i ] Tips 
Be sure  to  activate  the  function  before  handing  over  the  valet  key to 
someone  e lse.  The  va let  key on ly fits  the  lock in the  driver's  door  and 
the  ignition  lock.• 
Power  locking  system 
General  description 
The  power  locking  system  locks  or unlocks  all  doors  and 
the  rear  lid  simultaneously . 
The  power  locking  system  in your  vehicle  incorporates  the  following 
functions : 
•  Centra l locking  function 
•  Selective  unlock  feature:::::;, 
page 44 
•  Remote  control feature:::::;, 
page  38 
• Convenience  key*:::::;, page  47 
• Anti-theft  alarm  system:::::;, page  49 
Controls  and  equip 
ment  Safety  first 
Opening  and  closing 
All the  doors  and  the  rear  lid  are 
locked by the  central  locking  system 
when  you  lock  the  veh icle.  Yo u can  set  whether  generally  only  the 
dr iver's  door  or  all  doors  and  the  rear lid should  be  unlocked  when  you 
open  the  vehicle  in the  MMI menu 
Central  locking to  suit  your  indi
vidual  desires:::::;, 
page  44 . 
Unlocking  the  vehicle 
You can  unlock  the vehicle  from  outside  either  by using  the  remote 
control 
or by  inserting  and  turning  the  key in the  driver's  door  lock. 
When  you 
unlock your  vehicle: 
•  The  anti-theft  alarm  system  is deactivated  briefly . 
•  Th e vehicle  interior  lights  illuminate  for  approximately  30 
seconds . 
•  All  turn  signal  lights  will  flash  twice  when  the car  is unlocked . 
•  After  un locking  the  veh icle,  you  have  60  seconds  to  open  a door or 
the  rear  lid. After  60  seconds,  the  vehicle  automatically  locks  and  the 
anti-theft  alarm  system  activates  again. 
The  rear  lid  can  be  locked  or  unlocked  e ither  by using  the  remote 
control 
or by  inserting  and  turning  the  key  in the  driver's  door  lock. 
Unlocking  the  vehicle  with  the  remote  control  will  only 
unlock the 
rear  lid, to 
open it,  the  lid  handle  needs  to  be  pressed. 
Locking  the  vehicle 
You can  lock  the  vehicle  from  outside  either  by using  the  remote 
cont rol 
or by  inserting  and  turning  the  key in the  drivers's  door  lock . 
When  you 
lock the  vehicle: 
•  All doors  and  the rear  lid  are  locked . 
•  All turn  signal  lights  will flash  once  when  the  car  is locked. 
•  Th e  anti-theft  alarm  system  is activated.  The  horn  of  the anti
theft  a larm  system  wi ll sound  and  the  anti-theft  a larm  system  readi
ness  light,  located  in the  upper  part  of  the  driver's door  panel,  w ill 
start  to  blink. 
•  T he  vehicle  interior  lights  turn  off. 
Vehicle  care  Technical  data  

To  unlock  the vehicle m 
- Press  button  @. 
- Press  button@ 
two  times within  two  seconds to  unlock 
all  do ors and  the  r ear lid . 
To  lo ck  the  v ehicl e G'.i 
- Press  button @ ~ & in "General  description"  on 
page 41. 
- Watch  that  all  turn  signal  lights  flash  once. 
To  unlock  rear  lid  only c;:; 
- Press  button  @for  approximately  one  second. 
PANIC  Button 
- Push  the  red  button @ to  activate  the  panic  function.  The 
horn  sounds  and  the  turn  signals  flash. 
- Push  the  button @ again  to  deactivate  the  panic  function. 
On vehicles  with  Convenience  key*, the  selector  lever  must  be  in the  P 
position,  otherwise  the  vehicle  cannot  be  locked. 
& WAR NING 
Re ad  an d  foll ow  all  WA RNING S=> & in "Ge neral  desc ripti on " o n 
pag e 41. 
[ i] Tips 
•  In  order  to  make  sure  the  locking  function  is working,  you  should 
always  keep  your  eye  on  the  vehicle  to  make  sure  it  is properly  locked. 
•  Do not  use  the  remote  contro l if you  are  inside  the  car,  otherwise 
you  may  un intent ionally  lock  the  veh icle,  and  then  you  would  set  off 
Controls  and  equip 
ment  Safety  first 
Op
ening  and  closing 
the  anti-theft  alarm  when  you  try  to  start  the  engine  or  open  a door . 
In  case  th is  happens  anyhow,  push  the  unlock  button 
m. 
•  Use  the  panic  function  only  if you  are  in an  emergency  situat ion. • 
Operating  Locks  with  the  key 
To lock  and  unlock  the  vehicle  from  the  outside,  turn  the 
key  in  the  lock  of  the  driver's  door . 
,1~ 
ff-=- -= =--OO~j @ 
To  unlock  the  vehicle 
Fig.  29 Key turns  for 
ope ning and closing. 
- Insert  the  key into  the  lock of  the  driver's  door. 
- Turn the  key 
one  time to  pos ition @ to  unlock  the  driver's 
door . 
- Turn  the  key 
two  times to  position @~ fig.  29  to  unlock 
all  doors  and  the  rear  lid. 
To  lock  the  vehicle 
- Close  all  windows  and  doors  properly. 
- Turn  the  key in the  lock of  the  driver's  door  to  the  lock 
position @~ 
& in "General  description"  on page 41. 
Vehicle  care  Technical  data  

How  to  unlock  each  door  separately  using  the 
door  handle  (front  doors) 
- Pull  the  handle  to  open  t he  door . 
How  to  unlock  each  door  separately  using  the 
door  handle  (rear  doors) 
- Pull  the  door  handle once to  release  the  loc k. 
- Pull  t he  handl e 
twice to  open  th e  door. 
You will find  a power  locking  sw itch  in  ea ch door.  You c an lock and 
unlock the  vehicle  using  the  switches  in the  dr iver's  or  passenger's 
door => 
page 44, fig.  30.  Yo u can  only lock the  vehicle  using  the 
switches  in the  rear  doors  => 
page 44, fig. 31.  If you  lock  the  vehicle 
using  t he 
power  locking  switch , please note  the  following : 
•  You can not  op en the  doors  or  the  rea r lid from  the 
outside 
(increased  secur ity,  for  example  when  you  are  sto pped  at  a  red  light). 
•  The  d iodes  in the  power  lock ing switches  illuminate  whe n all  the 
doors  and  the  rear  lid are  closed  and  loc ked . 
•  All d iodes  turn  dark  as  soon  as  one  of  the  doors  has  bee n 
unlocked . 
•  You can  unlock  and  open  the  doors  from  the  inside  by pulling  on 
t he  doo r handle . 
•  If  the  driver's  door  is opened  (after  you  have  locked  the  vehicle 
from  the  inside  using  the  power  locking  switch),  the  door  will  rema in 
unlocked  to  preve nt  you  from  locking  yourself  out  of your  vehicle . 
After  you  close  t he  door,  you  have  to  lo ck the  drive r's  door  ag ain. 
•  If you  have  a crash  and  the  airbag  is activated,  the  doors  automat
i c ally  unlo ck. 
& WARNING 
•  If you  use  the  power  locking  switch  with  the  doors  closed, 
remember  th at  all  the  vehicle  doo rs  will  lock. 
Con tro ls  a nd e quip 
m en t  Vehicle 
OP-eration 
Opening  and  closing 
& WARNI NG  (continued ) 
• Locking  doors  from  the  inside  can  help  p revent  inadvertent 
door  opening  during  an  accident  and  can also  prevent  unwanted 
entry  from  the  outside.  Locked doo rs  can,  however , delay  assis
tance  to  vehicle  occupants  and  hold  up  rescue  efforts  from  the  outside  in an  accident  or other  emergency .• 
Emergency  Locking 
If  the  central  locking  system  fails  (power  sup ply),  each 
d oor  has  to  be  locked  separately . 
5 0 N tL ;g 
Fig.  32  E mergen cy 
l o ck ing o f the  front 
p ass eng er's door 
An e mergency  lock ing mechan is m  is i nte gra ted  i n the  edg e of 
th e pass enge r's  door  a nd  in the  rear  doo rs  ( on ly v isibl e wh en 
t h e  door  is open) . 
- Turn  the  cover  with  t he  ignit ion  key and  then  ti lt  the  cover 
downward=>  fig.  32. 
- Insert  the  key  into  the  inner  slot  and  tur n  it  to  the  right 
( r ight-side  doors)  or the  left  (left-side  door)  as far  as  it can 
g o. 
After  you  close  the  door,  you w ill no longer  be ab le to  open  it from  the 
o uts ide.  _., 
Vehicle  care Do-it-yourselt service  iTechnical data  

• If  the  central  locking  system  fails  (power  supply),  you  can  also 
open  the  rear  lid using  the trunk  escape  handle  from the  inside 
~page318. a 
Child  safety  lock 
Power  child  safety  lock  for  the  rear  doors t 
The power  child safety  lock prevents  the  rear doors  from 
being  opened  from the  inside. 
Fig.  35  Section from 
driver's  door: controls 
The  rear  doors  are  equipped  with  a  power  child  safety  lock. It 
is operated  with  the  two  safety  buttons(!) in the  driver's  door 
~ fig. 35. 
- Press  the  left and/or  right  safety  button to  disable  the 
rear  power  window(s)  and prevent  the  respective  rear  door 
from  being  opened  from the  inside.  The  LED in the  button 
will  light  up  when  the child  safety  lock  is turned 
on. 
- Press  the  illuminated button  again  to  turn the  child  safety 
features 
off. 
When  the  child  safety  lock  is activated,  the interior  door  opening 
lever  is inope rative;  the  door  can  only  be  opened  from  the  outside.  In 
Contro ls  a nd  e quip 
m en t  Vehicle 
OP-eration 
Opening  and  closing 
addition,  the  window  regulator  for  that  door  is also  inoperative when 
the  child  safety  lock  is  activated. 
[ i] Tips 
•  In  order  to  activate  the  child  safety  lock on  the  left  and  the  right 
side,  you have  to  press  the  two  safety  buttons  in succession. 
•  Make  certain  that  the check  light  comes  on  in the  corresponding 
safety  switch when  the  child  safety  lock  is activated. • 
Convenience  key 
Ap plies  to v ehicles:  w ith  Con ven ience  key 
Description 
Access  and  vehicle  operation  based  on:  Master key 
remains  in driver's pocket. 
Th e Convenience  key vehicle  authorization  system  allows keyless 
unlocking,  locking  and  starting  of  the  vehicle . You  only  have  to  carry 
the  master  key on your  person. 
It makes  nod  ifference whether  the  master  key is  in your jacket  pocket 
or  in your  brief  case. As soon  as you  approach  your vehicle,  the  Conve
nience  key recognizes  the  request for  access , checks  for authorization 
and  enables  the  following  functions: 
•  Unlocking  the  vehicle~ 
page  48. 
• Locking  the  vehicle~ page  49. 
• Switching  on  ignition and  starting  the  engine by pressing  the 
[START ) button;  the  master  key does not  have  to  be in the  ignition 
switch ~ 
page  110. 
& WARNING 
• When  you  lock your  vehicle  from  outside,  nobody  -especially 
children  -should  remain  inside  the  vehicle. Remember,  when  you .,_ 
Vehicle  care  Do-it-yourselt service  iTechnical data  

• The  proximity  sensors  are  deactivated  after  a  few  days to  save 
power . You then  have  to pull  on  the  door handle  once  to  unlock  the 
vehicle  and  a  second  time  to  open  the  vehicle. 
•  To prevent  the  battery  from  being  discharged  and to  preserve  your 
vehicle's  ability  to  start  for  as  long  as  possible,  the  energy  manage
ment  system  gradually switches  off  unnecessary  convenience  func
tions . It  is  possible  that  you  will  not  be  able  to  unlock  your  vehicle 
using  these  convenience  functions. • 
Appli es  to  ve hicle s: wit h  Co nven ience  key 
Locking  the  vehicle 
The vehicle  can be  locked  without  operating the  mastery 
key. 
( 
i 
Fig . 37  Convenience 
key:  Locking the 
vehicle 
- Move the  selector lever  to  the  P position. 
- Press  the  locking  button  in  the door  handle  to  lock  the 
vehicle ~& . 
The  vehicle  can  be  locked  at  any door . The  authorized  master key only 
has  to  be within  a  range of  about  1.5  meters  from  the  particular  door. 
Th e  se lecto r lever  must  be in the  P position , otherwise  the vehicle 
cannot  be  locked . 
Controls  and  equip 
ment  Safety  first 
Opening  and  closing 
& WARNING 
• 
When  you  lock your vehicle  from  outside,  nobody -especially 
children  -should  remain  inside  the  vehicle. Remember, when  you 
lock the  vehicle  from  the outside  the windows  cannot  be  opened 
from  the  inside. 
•  When  you  leave  the  vehicle,  always  remove  the ignition key 
and  take  it  with  you. This will  prevent  passengers  (children, for 
example ) from  accidentally  being locked  in the vehicle  should 
they  accidentally  press  the  power  locking  switch in the  front 
doors . 
•  Do not  leave  children inside  the  vehicle unsupervised.  In  an 
emergency  it would  be  impossible  to  open the  doors  from the 
outside  without  the  key. 
[ i ] Tips 
It  is  not  possible  to re-open  the  door  for  a  brief  period  directly after 
closing  it. This  allows  you  to  ensure  that the doors  are  properly 
locked. • 
Anti-theft  alarm  system 
Description 
The anti-theft  alarm  triggers  an alarm  if anyone 
attempts  to  break  into the  vehicle. 
The  anti-theft  alarm  system  triggers  an  audible  alarm  and  turns  on 
the  emergency  flasher if an  unauthorized  interf erence  with  the 
vehicle  is sensed  by the  system. 
How  is  the  anti-theft  alarm  system switched  on? 
The  anti-theft  alarm  system  is switched  on when  you  lock the  veh icle. 
Th e system  is  activated  approximate ly  30  seconds  after  the  vehicle  is  .,,_ 
Vehicle  care  Technical data