| Subject: | Information on Upgrading Factory Installed OnStar® Generation 2.0 Equipped Vehicles to Generation 2.6 |
| Models: | 2000 Buick LeSabre, Park Avenue |
| 2000 Cadillac Catera, DeVille, Eldorado, Seville |
| 2000 Oldsmobile Silhouette |
| 2000 Pontiac Bonneville, Montana |
| 2001 Pontiac Aztek (Built Prior to VIN Breakpoint S525890) |
| 2000 Chevrolet Blazer, Suburban, Tahoe |
| 2000 GMC Envoy, Yukon, Yukon XL |
| with Factory Installed OnStar® |
This bulletin is being canceled. Please discard Corporate Bulletin Number 01-08-46-008C (Section 08 -- Body and Accessories).
This bulletin is being issued to inform dealership service personnel that OnStar® is no longer making this program available to customers.
For vehicles that exhibit this condition, technicians should refer to Corporate Bulletin Number 05-08-46-006N - Information on Upgrading Certain OnStar® Analog/Digital-Ready Systems to OnStar® Generation 6 Digital-Capable System.
