Chrysler's 2005 Dodge Caravan was supplied with manual plunger-type locks, or power door locks which were electrically operated. The power door lock system features a function that automatically locks all of the doors. There is also an automatic unlock on exit function that unlocks the doors in certain circumstances. Problems locking the Caravan's doors can be related to these features. Lock issues can be corrected through troubleshooting.
Remove the key from the ignition before pressing the power lock switch on the driver's side door trim if the doors won't lock. The doors won't lock with the key in the ignition switch. This is designed to stop you from accidentally locking your keys in the Caravan.
Enable the automatic door locking functionality if the doors don't lock when the transmission is in gear, all of the doors are closed and the vehicle's speed is above 18 mph. Enable it by closing all of the doors and inserting the ignition key. Cycle the switch on and off four times without starting the engine. End in the "Off" position.
Within 10 seconds, press the interior driver's door lock switch to "Lock." The automatic door locking function will be enabled.
