Chrysler 2004 Town and Country - Manual (Page 12)

A WORD ABOUT YOUR KEYS
You can insert the double sided keys into the locks with
either side up.
The dealer that sold you your new vehicle has the key
code numbers for your vehicle locks. These numbers can
be used to order duplicate keys from your dealer. Ask
your dealer for these numbers and keep them in a safe
place.
Ignition Key Removal
The shift lever must be in PARK. Turn the key to the OFF
position, then the LOCK position. Remove the key.
12 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE