WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Position the assist handle in the vehicle.
Install the assist handle screws (1).
Tighten
Tighten the assist handle screws to 3 N.m (27 lb in).
Fig 1: Installing Procedure Of Assist Handle (Rendezvous)