Citroen C5 DAG 2010.5 (RD/TD) / 2.G Owner's Manual
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170 
C H E C K S
CHECKS 
 Unless  otherwise  indicated,  check  
these  components  in  accordance 
with  the  Maintenance  and  Warranty 
Guide  and  according  to  your  en-
gine.  
 Otherwise, have them checked by a  
CITROËN dealer.  
  Battery  The  battery  does  not  re- 
quire any maintenance.  
 However,  check  that  the  
terminals are clean and cor-
rectly  tightened,  particularly 
in summer and winter. 
 When  carrying  out  work  on  the  bat-
tery,  refer  to  the  "Practical  infor-
mation"  section  for  details  of  the 
precautions  to  be  taken  before  dis-
connecting the battery and following 
its reconnection.     
Air filter and passenger compartment filter 
 Refer  to  the  Maintenance 
and  Warranty  Guide  for 
details  of  the  replacement 
intervals  for  these  compo-
nents. 
 Depending on the environment (e.g. 
dusty  atmosphere)  and  the  use  of 
the vehicle (e.g. city driving),   replace 
them  twice  as  often  if  necessary   
(refer to the "Engines" section).  
 A  clogged  passenger  compartment  
 fi   l t e r   m a y   h a v e   a n   a d v e r s e   e f f e c t   o n  
the performance of the air condition-
ing  system  and  generate  undesir-
able odours.   
  Oil filter 
   R e p l a c e    t h e    o i l    fi   l t e r    e a c h   
time  the  engine  oil  is 
changed.         Particle filter system (Diesel)  
 Complementary  to  the  catalytic  
 c o n v e r t e r ,    t h i s    fi   l t e r    m a k e s    a n    a c -
tive  contribution  to  the  preservation 
of  air  quality  by  the  retaining  of  the 
unburnt  pollutant  particles.  Black 
exhaust  fumes  are  thus  no  longer 
emitted.  
 After prolonged idling or driving at very  
low speeds, you may occasionally no-
tice  water  vapour  being  emitted  from 
the  exhaust  when  accelerating.  This 
is of no consequence to the running of 
the vehicle or to the environment. 
 If  there  is  risk  of  clogging,  a  mes-
sage  appears  on  the  instrument 
panel  display,  accompanied  by  an 
audible  signal  and  lighting  of  the 
service warning lamp.  
 This alert tells you that the particle  
 fi   l t e r    i s    s t a r t i n g    t o    fi   l l    u p    ( i n    c o n d i -
tions  of  urban  driving  of  excep-
tionally  long  duration:  low  speeds, 
 t r a f fi   c   j a m s   e t c . ) .   
   T o   r e g e n e r a t e   t h e   fi   l t e r ,   i t   i s   a d v i s e d   
to drive as soon as possible, when 
 t r a f fi   c   c o n d i t i o n s   p e r m i t ,   a t   a   s p e e d  
of  40  mph  (around  60  km/h)  or 
 m o r e   f o r   a t   l e a s t   fi   v e   m i n u t e s   ( u n t i l  
the alert message disappears).  
 If  this  alert  persists,  consult  a  
CITROËN dealer.  
 Refer  to  the  Maintenance  and 
Warranty  Guide  for  details  of  the  re-
placement interval for this component.  
       The  presence  of  this  label,  in  par-
ticular with the Stop & Start system, 
 i n d i c a t e s    t h e    u s e    o f    a    s p e c i fi   c    1 2    V  
lead-acid  battery  with  special  tech-
 n o l o g y    a n d    s p e c i fi   c a t i o n ,    f o r    w h i c h  
the  involvement  of  a  CITROËN 
dealer is required when replacing or 
disconnecting the battery.    
Failure  to  observe  this  recommen- 
dation  may  cause  premature  wear 
of the battery.      
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C H E C K S
                      Brake pads  Brake  wear  depends  on  
the  style  of  driving,  par-
ticularly  in  the  case  of  ve-
hicles  used  in  town,  over 
short  distances.  It  may  be 
necessary  to  have  the  condition  of 
the  brakes  checked,  even  between 
vehicle services.  
 Unless there is a leak in the circuit, a  
 d r o p   i n   t h e   b r a k e   fl   u i d   l e v e l   i n d i c a t e s  
that the brake pads are worn.  
       Manual gearbox 
 The  gearbox  does  not  re-
quire any maintenance (no 
oil change). 
       Automatic gearbox   The  gearbox  does  not  re-
quire any maintenance (no 
oil change).    Brake disc wear 
 For  information  relating  to 
checking  the  brake  disc 
wear,  contact  a  CITROËN 
dealer.  
  Parking brake   If  a  loss  of  effectiveness 
of  this  system  is  noticed, 
the  parking  brake  must  be 
checked,  even  between 
two services. 
 This  system  must  be  checked  by  a 
CITROËN dealer.    Only  use  products  recom-
mended  by  CITROËN  or 
products  of  equivalent  quality 
 a n d   s p e c i fi   c a t i o n s .  
 Do not use a dry cloth with an abra-
sive product for the maintenance of 
aluminium parts; use a sponge and 
soapy water.  
 In  order  to  optimise  the  operation  
of units as important as the braking 
system,  CITROËN  selects  and  of-
 f e r s   v e r y   s p e c i fi   c   p r o d u c t s .   
 To  avoid  damaging  the  electrical  
units,  the  use  of  a  high  pressure 
washer in the engine compartment 
is strictly   prohibited  .  
 Refer  to  the  Maintenance  and 
Warranty Guide for the details of the 
level  checking  interval  for  this  com-
ponent.   
 Refer  to  the  Maintenance  and  
Warranty  Guide  for  details  of  the 
level  checking  interval  for  this  com-
ponent.