PEUGEOT 508 Handbook page 74

Access
Triggering of the alarm
this is indicated by sounding of the siren
and flashing of the direction indicators for
thirty seconds.
the monitoring functions remain active until
the alarm has been triggered eleven times in
succession.
When the vehicle is unlocked using
the remote control or unlocked
using the Keyless entry and Starting
system, rapid flashing of the indicator
lamp in the button informs you that
the alarm was triggered during
your absence. When the ignition
is switched on, this flashing stops
immediately.
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Failure of the remote control
to deactivate the monitoring functions:
F unlock the vehicle using the key in the
driver's door lock.
F Open the door; the alarm is triggered.
F Switch on the ignition; the alarm stops. the
indicator lamp in the button switches off.
Locking the vehicle without
activating the alarm
F Lock or deadlock the vehicle using the key
in the driver's door lock.
Operating fault
When the ignition is switched on, fixed
illumination of the indicator lamp in the button
indicates a fault in the system.
Have it checked by a PeugeOt dealer or a
qualified workshop.
Automatic activation*
2 minutes after the last door or the boot is
closed, the system is activated automatically.
F to avoid triggering the alarm on entering
the vehicle, first press the unlocking button
on the remote control or unlock the vehicle
using the Keyless entry and Starting
system.
* According to country.