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Message: <blockquote data-quote="marshallinwa" data-source="post: 14527" data-attributes="member: 491">If OnStar is using 2.4 GHz for their WiFi connection, then I can certainly understand why there may be issues since Bluetooth uses the same frequency range and phone antenna. Ideally, Bluetooth is suppose to find a clear channel with the most separation from WiFi to help avoid issues.  However, it is possible that Bluetooth isn't doing a very good job, or the WiFi signal is too strong. Have you tried disabling OnStar WiFi from your phone if you have it listed as being saved in the WiFi settings of your phone. If possible, I would disable OnStar's WiFi if no one else is going to use it.</blockquote>