Compressed Audio

The radio also plays discs that contain both uncompressed CD audio (.CDA files) and MP3 files.

By default the radio reads only the uncompressed audio and ignore the MP3 files. Pressing the CAT button toggles between compressed and uncompressed audio format.

    See also:

    Automatic Crash Response
    In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help. ...

    Remote Vehicle Start
    For vehicles with this feature, the engine can be started from outside the vehicle. ...

    How to Reset the Engine Oil LifeSystem
    The Engine Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is ...