gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Shift Cable, A/T > < OnStar(R) - Language Change Information|Page 9991
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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

Shift Cable, A/T > < OnStar(R) - Language Change Information|Page 9991