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December 1, 2015 Service bulletin

OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that...

Chevrolet technical service bulletin 15-NA-079 for 2000-2010 Chevrolet Malibu, 2000-2010 Chevrolet Silverado 1500 and 2000-2010 Chevrolet Impala and others.

Bulletin number
15-NA-079
Component
Equipment
Summary
OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely. As a result, some of your OnStar® system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer – or any dealer near you – as soon as possible to schedule an appointment for this no-cost software update. Your dealer will reprogram your OnStar® module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin #15-08-44-001F."

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