WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Pull the tilt steering column lever (1) out from the steering column (2).
Fig 1: Removing Tilt Steering Column Lever From Steering Column