Hello LarsUSD,
Were you able to follow the steps you came from to set up your remote? If not, we'd recommend doing so now: If the volume buttons on your Apple TV remote stop working
If the volume buttons on your Apple TV remote stop working
Follow these steps to restart your remote.
Restart your Siri Remote or Apple TV Remote

1. Press and hold the TV/Control Center button
and the Volume Down button
at the same time. Hold the buttons down for about 5 seconds, or until the status light on your Apple TV turns off and on again.
2. Release the buttons. Then wait 5 to 10 seconds for a Connection Lost notification to appear on your TV screen.
3. Wait while your remote restarts. When the Connected notification appears, you can use your remote.
Learn how to control Apple TV with iOS or iPadOS Control Center.
If you still need help, contact Apple Support.
A good step may be to test another TV in your home to see if you're able to reproduce the issue with another TV in general. That would isolate the behavior further for us.
Hoping to hear back, take care.