See also:

New Vehicle Break-In
Follow these recommended guidelines during the first 2 414 km(1,500 miles) of driving this vehicle. Parts have a break-in period and performance will be better in the long run. For the firs ...

Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. ...

Privacy
The complete OnStar Privacy Statement may be found at www.onstar.com. Privacy-sensitive users of wireless communications are cautioned that the privacy of any information sent via wireless c ...