OnStar Services

See also:

Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant mixture. See Recommended Fluids and Lubricants and Maintenance Schedule for more information. The following explains ...

Older Children
Older children who have outgrown booster seats should wear the vehicle’s safety belts. Q: What is the proper way to wear safety belts? A: An older child should wear a lap-shoulder belt and get ...

2006 Buick Lucerne Review
Buick's new full-size sedan, the Lucerne, tackles one of the automaker's key challenges: capturing younger buyers while simultaneously appealing to its core consumers — a group that's been aroun ...