Volvo 2006 S60 - Manual (Page 55)

Locking and unlocking the car from the inside
The switch on the driver's door armrest can be used to lock or unlock all doors and the trunk, and to set the alarm.
Opening/locking the trunk lid with the remote control
Do as follows to unlock the trunk lid only:
Press the "Open trunk" button on the remote control twice.
Relock the trunk using the remote's "Lock" button.
If all doors are locked when you close the trunk lid, it locks automatically.
Unlocking the trunk lid with the master key
The master key should only be used to unlock the trunk lid in emergencies (if the remote control is not working or the
car is without power). Open the trunk lid as follows:
Insert the master key into the upper or lower part of the plug covering the lock.
Twist upward or downward to remove the plug.
Unlock the trunk lid.
NOTE: If the trunk is opened with the master key, the alarm will sound. To turn off the alarm, unlock the driver's door
with the master key.
pg. 76 Locks and alarm
Locking and unlocking (contd)