Customer Information

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Tire Sealant
Read and follow the safe handling instructions on the label adhered to the sealant canister. Check the tire sealant expiration date on the sealant canister. The sealant canister should be rep ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...

Updating Station & Category Lists
If stations stored in the station list can no longer be received: 1. Turn the TUNE/MENU knob. 2. Select Update AM or FM Station List, if the stations stored in the station list are no longer recei ...