See also:

Ending a Call
Press to end a call. ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Interior
Depending on their configurations, Savana passenger vans can carry eight, 12 or 15 occupants. Cargo vans seat only two people up front. The restyled interiors feature an upgraded climate-control s ...