See also:

Care of Your CDs and DVDs
Sound quality can be reduced due to disc quality, recording method, quality of the music recorded, and how the disc has been handled. Handle discs carefully and store them in their original cases ...

Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...

Online Owner Center
Manage your vehicle (U.S.) at cadillac.com. Click on “Owners,” then “Manage my Cadillac/Owners Login.” Information and services customized for your specific vehicle — all in one convenient place. ...