OnStar

See also:

The Inside
Like the pricier CTS sedan from sister brand Cadillac, the LaCrosse's dashboard is trimmed in a leather-like material with stitched seams and padded finishes. Ambient lighting pipes across the das ...

When the Light Is On Steady
This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Vehicle Messages for more informati ...

What Kind of Engine Oil to Use
Look for three things: • GM6094M Use only an oil that meets GM Standard GM6094M. • SAE 5W-30 SAE 5W-30 is best for the vehicle. These numbers on an oil container show its viscosity, or thi ...