OnStar

See also:

Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants. Specification Use and ask for licensed engine oils wit ...

When to Check Lubricant
It is not necessary to regularly check rear axle fluid unless there is a leak suspected or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. All ax ...

Headlamp High/Low-Beam Changer
Push the turn signal/lane change lever away from you to turn the high beams on. Pull the lever toward you and then release it to return to low beams. If the vehicle is turned off while the ...