LS2 V6-3.0L VIN R (2000)
21. If equipped with Onstar, connect the control harness at the rearview mirror.
22. Connect the coaxial cable to the GPS antenna on the windshield.
23. Connect the coaxial cable to the cell phone antenna on the rear glass.
24. Install the windshield pillar trim.
Tighten the windshield pillar trim to 5 N.m (44 lb in).
25. Install the weatherstrip over the headliner assembly at all the door locations using a small flat-blade tool.