OnStar Services

See also:

Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder except for the center front passenger position (if equipped), which has a lap belt. See Lap Belt for more information. The following instr ...

Reporting Safety Defects toGeneral Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...

Park Tilt Mirrors
When on, both the driver and passenger mirrors will tilt downward when the vehicle is shifted to R (Reverse) to improve visibility of the ground near the rear wheels. They will return to thei ...