2024 Cadillac XT4 - No Wifi - No conenctivity - tablet stays on when car is shut off

Thank you for bringing these unfortunate concerns with the 2024 Cadillac XT4 and OnStar connected services that you love and depend on to our attention, @jfcadillacxt4. We recognize how frustrating these situations can be and assure you that it would be our pleasure to assist you further towards an appropriate resolution. Given the troubleshooting steps that you've already taken to address this matter, our team believes that your preferred dealership is currently in the best position to address this matter and identify the best possible solution. If you're interested, we'd like to help schedule an appointment on your behalf with the service department. At your soonest convenience, we kindly ask that you send us a private message with your full contact information, VIN, the current mileage, the name of your preferred dealership, and your availability for an service appointment to OnStar_Support so we can look into this further. Just select the envelope icon at the top right of your screen to get started. Our team hopes to connect with you again very soon. By sending us a message, you consent to the information you provide being monitored and recorded by GM or those acting on GM’s behalf, subject to the GM Privacy Statement.