battery replacement Citroen DS3 DAG 2009.5 1.G Owner's Manual

Following disconnection of the vehicle battery,
replacement of the remote control battery or in the event of a remote control malfunction, you can no longer unlock, lock or locate your vehicle.  First of all, use the key in the lock to unlock or lock your vehicle.  Then, reinitialise the remote control. If the problem persists, contact a CITROËN dealer as soon as possible.
Remote control problem
Reinitialisation
 Switch off the ignition.  Turn the key to position 2 (Ignition) .  Press the closed padlock immediately for a few seconds.  Switch off the ignition and remove the key from the ignition switch. The remote control is fully operational again.
Changing the battery
Battery ref.: CR1620/3 volts. This replacement battery is available from CITROËN dealers.
 Maintain pressure on lug A and remove the chrome finisher by sliding it off at 45°.  Unclip the casing by inser ting a coin at the
notch and rotating.  Slide the flat battery out of its location.  Slide the new battery into its location obser ving the original direction.  Clip the casing in place, then the chrome finisher.  Reinitialise the remote control.
If the battery is flat, you are informed by lighting of this warning lamp in the instrument panel, an audible signal and a message on the multifunction screen.
 Unfold the key.  Release the chrome finisher by pressing on
lug A .

Checks
Battery
Air filter and passenger compartment filter
Oil filter
Particle emission filter
(Diesel)
It is imperative that the maintenance of the par ticle emission filter is carried out by a CITROËN dealer.
Following prolonged operation of the vehicle at very low speed or at idle, you may, in exceptional circumstances, notice the emission of water vapour at
the exhaust on acceleration. This does not affect the behaviour of the vehicle or the environment.
Unless other wise indicated, check these components in accordance with the Maintenance and Waranty Guide a nd according to your engine. Other wise, have them checked by a CITROËN dealer.
The battery does not require any maintenance. However, check that the terminals are clean and correctly tightened, particularly in summer and winter. When carrying out work on the battery, refer to the "Practical information" section for details of the precautions to be taken before disconnecting the battery and following its reconnection.
Refer to the Maintenance and Warranty Guide for details of the replacement inter vals for these components. Depending on the environment (e.g. dusty atmosphere) and the use of the vehicle (e.g. city driving), replace them twice as often if necessar y (refer to the "Engines" paragraph). A clogged passenger compar tment filter may have an adverse effect on the per formance of the air conditioning system and generate undesirable odours.
Replace the oil filter each time the engine oil is changed. Refer to the Maintenance and Warranty Guide for details of the replacement interval for this component.