Customer Assistance Information

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Storing an XM Channel as a Favorite
Channels from all bands can be stored in any order in the favorite pages. Up to six channels can be stored in each favorite page and the number of available favorite pages can be set. Storing a Ch ...

Responsive performance
Buick LaCrosse's stiff body structure serves as the foundation for precise suspension tuning, safety and a quiet ride. Buyers can choose from a family of efficient, direct-injection six-cylinder e ...

Introduction
Important: Keep engine oil at the proper level and change as recommended. Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner ...