My tech installed a Google wifi extender for better TV reception in my bedroom. Twice I've been awakened by a voice coming from the device scarring me. I have tried to activate the voice with no success. It seems to have a mind of its own. Any suggestions???
Sounds like you've got a "Nest Wifi add-on point", the only Google Nest Wifi puck with a microphone and speaker.
It's possible to disable what's known as "Google Assistant", this guide tells you how: