Dodge 2006 Freightliner Owner's Manual page 35

If the central locking automatically unlocks again after
having been locked, at least one door is closed
incorrectly.
If it then locks again within about 5 seconds, then all
closed doors are locked.
The central locking displays vehicle locking with one
or more open doors by means of a special function
sequence (locking, unlocking, locking). Once closing
has been completed, an open door will not
automatically be locked.
NOTE: In vehicles without central locking only the
respective door will be locked or unlocked.
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 35
Opening Left-Hand Door
To open:
Move the handle up.
To close:
Close the door until it engages.
2