See also:

Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...

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

Using the USB Port
For vehicles with a USB port, the connector is located in the instrument panel storage area. See Instrument Panel Storage on page 4‑1 for more information. Radios with a USB port can control a ...