Dodge 2009 Caliber - Manual (Page 30)

NOTE: To prevent from locking the key in the vehicle,
the power door lock switch will not operate when the key
is in the ignition and either front door is open. A chime
will sound as a reminder to remove the key.
Automatic Door Locks — If Equipped
The doors will lock automatically on vehicles with power
door locks if all of the following conditions are met:
1. The Auto Lock feature is enabled.
2. The transmission is in gear.
3. All doors are closed.
4. The throttle is pressed.
5. The vehicle speed is above 15 mph (24 km/h), and
6. The doors were not previously locked using the power
door lock switch or Remote Keyless Entry (RKE)
transmitter.
Driver Power Door Lock Switch
1 - Unlock 2 - Lock
28 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE