2009.5 Citroen DS3 DAG key battery

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 .

91Access
Boot
Opening
 After unlocking the vehicle using the remote control or the key, pull the handle and raise the tailgate.
Closing
 Lower the tailgate using the interior grab handle.
If the tailgate is not closed correctly:
- when the engine is running , this warning lamp comes on, accompanied by a message on the multifunction screen for a few seconds,
- when the vehicle is moving (speed above 6 mph (10 km/h)), this warning lamp comes on, accompanied by an audible signal and a message on the multifunction screen for a few seconds.
System for mechanical unlocking of the boot in the event of a battery or central locking malfunction.
Tailgate release
Unlocking
 Fold back the rear benchseat to gain access to the lock from inside the boot.  Inser t a small screwdriver into hole A of the lock to unlock the tailgate.

Charging the battery using
a battery charger
Batteries contain harmful substances such as sulphuric acid and lead. They must be disposed of in accordance with regulations and must not, in any circumstances, be discarded with household waste. Take used remote control batteries and vehicle batteries to a special collection point.
It is advisable to disconnect the battery if the vehicle is to be left unused for more than one month.
Do not disconnect the terminals while the engine is running. Do not charge the batteries without disconnecting the terminals first.
 Disconnect the battery from the vehicle.  Follow the instructions for use provided by the manufacturer of the charger.  Reconnect star ting with the negative terminal (-).  Check that the terminals and connectors are clean. If they are covered with sulphate (whitish or greenish deposit), remove them and clean them.
Before disconnecting the battery
Wait 2 minutes after switching off the ignition before disconnecting the battery. Close the windows and the doors before disconnecting the battery.
Following reconnection of the battery
Following reconnection of the battery, switch on the ignition and wait 1 minute before star ting to permit initialisation of the electronic systems. However, if minor problems persist following this operation, contact a CITROËN dealer. Referring to the corresponding section, you should yourself reinitialise: - the remote control key, - the GPS satellite navigation system.