68
Access
With the Keyless Entry and Starting system, message appears in the instrument panel when replacement of the battery is needed. 
Changing the batteries 
Do not throw the remote controlbatteries away, they contain metals which are harmful to the environment.  Take them to an approved collectionpoint. 
Remote control key
Battery ref.: CR1620 / 3 volts.
 
 
Electronic key 
 
Battery ref.: CR2032 / 3 volt.  
 )Unclip the cover using a small screwdriver at the cutout.  )Lift off the cover.  )Remove the flat battery from its location.  )Fit the new battery into its location observing the original direction of fitment.
 )Clip the cover onto the casing.  
 
  
         
        
        214
Checks
   
 
 
 
 
 
Checks  
12 V battery
 
 
Electrolyte level
 
For access to the battery, refer to the"12V bat tery" section.
 The electrolyte level must bebetween the "LOWER LEVEL" and "UPPER LEVEL" marks.   
Refer to the servicin
g booklet for 
details of the replacement inter vals
for these components. 
Air filter and passenger compartment filter 
  Replace the oil filter each time the engine oil is changed.
  Refer to the servicing booklet for 
details of the replacement inter val for 
this component.
Oil filter 
  If necessary, top up using distilled water, 
removing the battery cap from each cell. 
  Check the electrolyte level at least once a month. 
  When carrying out work on the battery, refer 
to "12V battery" section for details of the 
precautions to be taken before disconnectingthe battery and following its reconnection.  
  Unless other wise indicated, check these components in accordance with the ser vicin
g booklet and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.
  Dependin
g on the environment (e.g. dustyatmosphere) and the use of the vehicle (e.g. city driving), replace them twice as often if necessary.y A clogged passenger compar tment filter mayhave an adverse effect on the performance
of the air conditioning system and generate undesirable odours.