OnStar

See also:

Service Parts Identification Label
You will find this label on the inside of the glove box. It is very helpful if you ever need to order parts. On this label, you will find the following: • VIN • Model designation • Paint in ...

When to Add Engine Oil
If the oil is below the L mark for the L6 engine or the cross-hatched area at the tip of the dipstick for the V8 engine, you will need to add at least one quart/liter of oil. But you must use the ...

Reporting Safety Defects to theUnited States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA), in ...