If you run out of battery on your Vizio remote controller or if the controller doesn’t work any more, you can still manually scan for channels on your Vizio TV. However, you must be able to access the “Menu” button on the TV, as well as the arrow and “Enter” buttons. These buttons are typically located on the left side panel of the TV. The buttons you press to scan for channels are identical to those you press when using a remote. Writer Bio
