1998 Buick Century Owner's Manual - Page 126

Cellular Phone Readiness Package (If Equipped) Your vehicle may be equipped with a wiring harness that will work with a dealer-installed GM Hughes@portable phone. The phone has integrated features with the radio and car audiospeakers. See your dealer formore details. Instar System (Option) rour vehicle has been prewired for dealer installation of the OnStar System. The following services are available 24 hours a day: 0 Roadside Service with Location Emergency Services Button Remote Door Unlock Theft Vehicle Tracking Automatic Notification of Air Bag Deployment Concierge/Customer Conveniences Services To open the astroroof, push the rear of the switch once and the astroroof will open to the vent position only. You will need to open the sunshade by hand. Push the rear of the switch a second time and the astroroof will open the remainder of the way by itself. This is the express-open feature. 0 0 0 0 To close the astroroof, push and hold the front of the switch until the sunroof motor stops. The sunshade can only be closed by hand. For more information, contact your dealer. 2-50