Storing your Echo Auto
If you want to store your Echo Auto, unplug the cables and remove the device from the dash mount as shown below. If your car is going to be parked for an extended period of time, we recommend that you unplug the in-car power adapter
https://manuals.plus/amazon/echo-auto-1st-gen-hands-free-alexa-user-manual#ixzz7qoOO5XjM