See also:

Automatic Crash Response
In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this ...

Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protectio ...