Master Lock Switch - Aston Martin DB9 2006 Manual

Using the Ignition Key
Turn the ignition key towards the front of the vehicle and
release to centrally lock the vehicle, disable the boot and fuel
flap release switches.
The alarm will not be activated.
Automatic Re-locking
If the vehicle is locked by remote transmitter and then
unlocked by remote transmitter but a door or the boot is not
opened within 120 seconds, then the vehicle will
automatically lock and arm again.
2.6

Master Lock Switch

Doors, fuel flap and boot release switches may be locked /
unlocked by pressing the master lock switch.
If the vehicle is locked
using the master lock
switch, one pull of a
door handle will
centrally unlock the
doors, a second pull
of the door handle
will open that door.
In the event of a vehicle accident the doors will
automatically unlock.
The master lock switch will not operate if the vehicle has
been locked from the outside using either the vehicle key or
the remote transmitter.
Operation of the master lock switch will override 'Drive away
locking'.
(Refer to 'Deadlocking', page 2.9).