gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Entertainment System Control Module > < OnStar(R) - Language Change Information|Page 148
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Method 3

The Gen 6.1 version of OnStar(R) does not require the use of the Service Programming System (SPS) to change the voice recognition system. However,
there are three ways to change the language.

Disclaimer

Entertainment System Control Module > < OnStar(R) - Language Change Information|Page 148