Chrysler 2004 300M - Manual (Page 15)

If you press the door lock switch while the keys are in the
ignition switch, with the ignition switch in the ACC,
LOCK, or OFF position, and the driver’s door is open, the
doors will not lock. A chime will sound as a reminder to
remove the keys.
WARNING!
For personal security and safety in the event of an
accident, lock the vehicle doors as you drive and
when you park and leave the vehicle.
The rear doors cannot be opened from inside the vehicle
until you pull up the lock plungers.
Central Locking Feature — If Equipped
Turning the key in the driver’s door to the unlock
position once will unlock only the driver’s door. Turning
the driver’s door lock to the unlock position twice within
five seconds, will unlock all doors.
Locking either front door with the key will lock all doors.
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 15
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