Vauxhall ASTRA Owner's Manual page 42

Open&Start system with electronic key 3
The electronic key must be within the
outside reception range of the vehicle.
There must be no electronic keys inside the
vehicle. Touching the sensor in the door
handle of the driver's or front passenger's
door locks all doors and the luggage
compartment.
– or –
Press button p of the electronic key's
remote control again.
Mechanical anti-theft locking system 3,
9
Warning
Do not use the system if there are people
in the vehicle! The doors cannot be
unlocked from inside.
Keys, doors, windows, TwinTop
Remote control with mechanical key
All doors must be closed. At the latest
15 seconds after locking, press button p
on the remote control again.
Lock buttons on all doors are positioned
such that doors cannot be opened.
If the ignition was on, the driver's door
must be opened and closed once so that
the vehicle can be secured.
41