See also:

OnStar® Services
For new vehicles equipped with OnStar®, the Safe & Sound Plan, or the Directions & Connections® Plan is included for one year from the date of purchase. You can extend this plan beyond th ...

SERVICE BRAKE ASSIST
This message may be displayed when there is a problem with the brake boost assist system. When this message is displayed, the brake boost assist motor might be heard operating and you might ...

Buick Super: elevated design, power and performance
Design elements on the LaCrosse Super and Lucerne Super denote the new face of Buick. Design cues echo those seen on the popular Velite convertible concept vehicle - and recently introduced on the ...