Operation CHARM: Car repair manuals for everyone.

Shift Into Park Unlock

The BCM unlocks the doors when these conditions are met:
- Automatic door lock operation mode 4 is enabled. Refer to Feature Customization for details. Component Tests and General Diagnostics
- The ignition switch is in the RUN position.
- Shifting the transaxle into PARK (BCM detects an open to B+ transition signal in circuit 1872).