For 1990-2009 cars

Callout | Component Name
--- | ---

#### Preliminary Procedures

1. Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement .
2. Program the communication interface module (OnStar®) after replacement. Refer to Control Module References .

1 | Communication Interface Module Bracket Bolt/Screw Notice: Refer to Fastener Notice in the Preface section. Tighten 9 N·m (80 lb in)
2 | Communication Interface Module Assembly