Open up the settings on the phone, Go to blue tooth , there should be a list of your paired things. Go to the mychevrolet and click on it. On my phone it says edit the connection name. I hope that helps.
2017 Cajun Red Bolt LT EV 7/3/17
DC Fast, Comfort & Confidence.
2016 Heather Gray Metallic Volt LT
Light Ash Leather, Comfort Package