Automatic Door Lock Features

The Body Control Module (BCM) controls the automatic door locks. One of three BCM types is installed on this vehicle based on vehicle equipment:
- BCM type 2 provides automatic power door locks, plus interior illumination control, inadvertent load (battery rundown) protection, and chime functions.
- BCM type 3 provides BCM type 2 features plus the keyless entry system (RPO AUO).
- BCM type 4 provides BCM type 2 and 3 features plus the content theft deterrent system (RPO UA6) with remote activation verification and remote alarm.

The BCM type 2 has these automatic door lock features:
- All door unlock: The BCM unlocks all doors when pressing UNLOCK on either door lock switch.
- All door lock: The BCM locks all doors when pressing LOCK on either door lock switch.
- Last door closed locking: When pressing LOCK on either door lock switch with the ignition switch in the LOCK or OFF position, the BCM locks all doors five seconds after closing all vehicle doors.
- Lockout prevention: When pressing LOCK on either door lock switch with the key in the ignition cylinder and the driver's door is open, the BCM does not lock the doors.
- Lockout prevention override: When pressing and holding LOCK on either door lock for at least 3 seconds, the BCM overrides the lockout prevention thus locking all doors.
- Ignition OFF unlock: When turning the ignition switch from RUN to OFF, the BCM unlock all vehicle doors.
- Shift into PARK unlock: When shifting the transaxle into PARK, the BCM unlocks all vehicle doors.
- Shift out of PARK lock: When shifting the transaxle out of PARK with the driver's door closed, the BCM locks all vehicle doors.
- Sliding door delayed locking: The BCM locks all doors 3 seconds after closing sliding door(s).

The BCM type 3 (RPO AUO) has these automatic door lock features (in addition to BCM type 2 features):
- Remote driver door unlock: The BCM unlocks the driver's door when pressing UNLOCK on the keyless entry transmitter.
- Remote all door unlock: The BCM unlocks all vehicle doors when pressing UNLOCK on the keyless entry transmitter again within 5 seconds of pressing UNLOCK.
- Remote all door lock: The BCM locks all vehicle doors when pressing LOCK on the keyless entry transmitter.

The BCM type 4 (RPO UA6) has this automatic door lock feature (in addition to BCM type 2 and 3 features):
- Key cylinder unlock: When unlocking a door by using the LF, RF or liftgate door key cylinder, the BCM unlocks all vehicle doors while holding the key in the unlock position for 1 second.
- Key cylinder lock: When locking a door by using the LF, RF or liftgate door key cylinder, the BCM locks all vehicle doors while holding the key in the lock position for one second.

For more information regarding the keyless entry system, refer to Keyless Entry, refer to Theft Deterrent System the Body Control Module.
Keyless Entry
Antitheft and Alarm Systems
Body Control Module