Format

The radio can play.mp3 or .wma files that were recorded onto a CD-R or CD-RW disc.

The USB port can play.mp3 and .wma files stored on a USB storage device as well as AAC files that are stored on an iPod.

    See also:

    Lamp Messages
    TURN SIGNAL ON This message displays and a chime sounds if a turn signal is left on for 1.2 km (0.75 mile). Move the turn signal/multifunction lever to the off position. ...

    New for 2011
    The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...

    Engine Air Cleaner/Filter
    When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. S ...