See also:

Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑45. For any bulb-changing procedure not listed in this section, contact your dealer. ...

Error Messages
If Disc Error displays and/or the disc comes out, it could be for one of the following reasons: ○ The disc has an invalid or unknown format. ○ The disc is very hot. Try the disc again ...