GMC Sierra Owners Manuals

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Playing an MP3
(Information): Press to display additional text information related to the current song. If information is available, the song title information displays on the top line of the display and artist inf ...

Languages
The vehicle supports English, French (Canadian), and Spanish. The default language is English. To change the display language, see Vehicle Personalization on page 5‑33 for more information. ...

Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different ...