Please elaborate indicating the type of unwanted device connections. I have not experienced this at all except for one occasion when a tech was working on my car and it listed his cell phone. I think he paired it to test something out, but in the process unpaired mine, lol.
CUE / Bluetooth Connections.
My 2019 XTS continues to receive Bluetooth connections from unwanted devices. I delete them manually from the system and in a few weeks, I have several more of these unwanted connections. How do I prevent unwanted connections??? Thanks for replies.
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At the moment my only thought is that the vehicle's Wi-Fi hotspot is picking up other connections, but I don't know why your phone would loose it's pairing, unless it has gone over the limit on the number devices allowed and as a consequence dropped yours due to it being the first one. You could try; CUE > Settings > System > Wi-Fi Services, which allows devices to use the vehicle hotspot. You can select 'disable' in CUE. If it is already disabled, then I don't know what the cause would be.
I'm sure there must be an explanation, but I don't know it at the moment. Dealership maybe?Here's what I have done. Went out this morning and erased all connections in the CUE / Phone listings, connected my cell phone which showed as the only phone in the listing. Under Wi-Fi Networks no networks were connected ("Not Connected"). Under Wi-Fi Hotspots, "Wi-Fi Services Switched Off", "Connected Devices 0 (zero)". I turned off the vehicle and went inside. Three hours later I went back to the car and my Connected Phones listing was full of unknown phones and mine was not listed. Just repeated the same process. Will recheck again in a few hours. Any help or suggestions???? Thanks in advance.
Let us know what the solution is!Found a contact I will try tomorrow: CUE Information Team, 855 / 428-3669 (8am - 10pm, 7 days a week). Will see if they can assist. Appreciate your responses. Thanks.
Just a thought...maybe try resetting to factory...but you would loose all your presets, but probably not much trouble to reset.
OR another option...erase settings and personal data.
After each change did you shut down the car, wait 10-15 minutes and then restart? This would reboot the system just like a computer needs a restart to effect the changes from an update. Maybe that's why it had worked when you came out again? Working now = 
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