To remove

Carry out procedures before removing a control module. See Procedures before dismantling the control module .
Remove the front luggage compartment trim. See LUGGAGE COMPARTMENT FRONT TRIM, CV .

Fig 1: Illustration For Step 2
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the bracket screws.

Fig 2: Illustration For Step 3
Courtesy of SAAB-SCANIA OF AMERICA, INC.

IMPORTANT: Take care when releasing the locking mechanism on the connector so as not to damage the connector. Pull the halves straight apart to avoid bending the pins. For further information regarding connectors, refer to CONNECTORS, HANDLING AND INSPECTION .
Unplug the connectors.

Fig 3: Illustration For Step 4
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the OnStar control module with bracket.

Fig 4: Illustration For Step 5
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the bracket from the OnStar control module.