Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the right rear seat cushion. Refer to Rear Seat Cushion Replacement .
Remove the communication interface module. Refer to Communication Interface Module Replacement (TrailBlazer, Envoy) .

Fig 1: View Of Retaining Tab On Upper Navigation Control Processor Bracket

Courtesy of GENERAL MOTORS CORP.

Using a flat-bladed tool, release the retaining tab on the upper bracket.
Slide the upper bracket inboard until the retaining tabs are released from the processor bracket.
Remove the upper bracket from the processor bracket.

Fig 2: View Of Processor Bracket Retaining Nut

Courtesy of GENERAL MOTORS CORP.

Remove the nut that retains the processor bracket to the rear seat back stud.
Remove the processor bracket from the vehicle.