Fiat Multipla Owner's Handbook Manual page 75

IMPORTANT If one of the doors is not perfectly closed, or there is a
system fault, the central locking device will not work and after 8 or 9
attempts in rapid succession the device will cut out for about 30 seconds.
During these 30 seconds the doors can be locked or unlocked manually,
without involving the electric system. After 30 seconds the central
system is ready to receive commands again. If the reason for the
malfunction has been removed, the device will start to work properly
again. If not it will cut out once more.
IMPORTANT If one or both rear doors are open and the remote
control (or the key in the door lock) is operated, the central door
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locking system will lock all the doors lowering the door sill buttons.
When closing the open doors they will lock.
CHILD SAFETY DEVICE
This prevents the rear doors from being opened from the inside.
Insert the tip of the ignition key into (F) and turn it:
Position 1 - device off.
Position 2 - device on.
WARNING
When children are present in the car this device should always be used.
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