See also:

Security Light
The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer ...

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 ...

Using the USB Port
Radios with a USB port can control a USB storage device or an iPod® using the radio buttons and knobs. See “Playing an MP3” in CD Player on page 7‑16 or CD/DVD Player on page 7‑22 fo ...