Jeep 2004 Grand Cherokee Owner's Manual page 19

As a safety feature, the power door lock switch will not
lock when the door is open and the key is in the ignition.
Once locked, the rear doors cannot be opened from the
inside until the lock lever has been released. However,
both front doors can be opened using the inside door
handle.
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 19
Automatic Door Locks
If this feature is selected your door locks will lock
automatically if the vehicle speed is above 15 mph (24
km/h) and all doors are closed. It will reset whenever a
door is opened.
This feature is selectable and can be turned on or off.
Refer to "Overhead Console — Customer Programmable
Features" in Section 3 of this manual or see your autho-
rized dealer.
Automatic Unlock on Exit Feature — Only
Available if Auto Lock is Enabled
This feature will unlock all the doors when the driver's
door is opened if the vehicle is stopped and in P (Park) or
N (Neutral). Refer to "Overhead Console — Customer
Programmable Features" in Section 3 of this manual or
see your authorized dealer.
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