See also:

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time ...

Customer Assistance Offices
Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States — Customer Assist ...

Available Services included withDirections & Connections® Plan
• All Safe and Sound Plan Services • Driving Directions - Advisor delivered or OnStar® Turn-by-Turn Navigation (If equipped) • RideAssist • Information and Convenience Services ...