OnStar Services

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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 ...

Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever toward you, and release. ...

Adjustable Throttle and Brake Pedal
If your vehicle has this feature, you can change the position of the throttle and brake pedals. This feature is designed for shorter drivers, since the pedals cannot move farther away from the s ...