Airbag Control Module

How to disconnect:
1. Push the lock lever plate (A).
2. While holding down the lock lever plate (A), pull the lever toward you.
  
  Fig 1: Pushing Airbag Control Module Lock Lever Plate
  Courtesy of SUBARU OF AMERICA, INC.
How to connect:
CAUTION: Be sure to insert the connector in until it is locked. Then pull it gently to make sure that it is locked.

Insert the connector and push the lock lever in securely.