Vauxhall Astra Owner's Manual page 31

30 Keys, doors and windows
3. Close doors
4. Activate the anti-theft alarm
system. The LED illuminates.
After approx. 10 seconds, the
system is armed. The LED flashes
until the system is deactivated
For Astra TwinTop, passenger
compartment monitoring is
deactivated if the roof is open to
prevent false alarms.
Light-emitting diode (LED)
During the first 10 seconds of anti-
theft alarm system activation:
LED = Test, ignition delay
illuminates
LED = Door, load
flashes compartment or
quickly bonnet open, or
system fault
After the first 10 seconds of anti-theft
alarm system activation:
LED flashes = System active
slowly
LED comes on for = Switch off
approx. 1 second function
Seek the assistance of a workshop in
the event of faults.
Alarm
When triggered, the alarm gives off
an acoustic signal (horn) and a visual
signal (hazard warning flashers). The
number and duration of which are
stipulated by legislation.
The alarm siren can be silenced by
pressing a button of the radio remote
control or by switching on the ignition.
The anti-theft alarm system is
deactivated at the same time.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser
The system checks whether the
vehicle is allowed to start with the key
being used. If the transponder in the
key is recognised, the engine can be
started.
The electronic immobiliser activates
itself automatically after the key has
been removed from the ignition
switch or when the engine is switched
off by pressing the Start/Stop button.
Control indicator A 3 94.