Open the Netflix app on your TV
Go to the left menu or profile screen
Select Get Help or Settings
Choose Sign Out or Log Out
Confirm when prompted
If you do not see the option, press Up, Up, Down, Down, Left, Right, Left, Right, Up, Up, Up, Up on the Netflix home screen
Select Sign Out
Confirm the logout
If needed, restart the TV and reopen Netflix
Sign in again with a different account if required