See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

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 Assis ...

Power Seat Adjustment
To adjust a power seat: ► Move the seat forward or rearward by sliding the control forward or rearward. ► Raise or lower the front part of the seat cushion by moving the front of the c ...