Choose the following menu items on the camera to pair a Canon EOS 6D:
Wi-Fi function
Remote control (EOS Utility)
Infrastructure mode
Select your Wi-Fi network, and configure its parameters.
Choose OK when the Start pairing devices screen appears.
Note: the camera may display additional screens, such as asking for a nickname or requesting to turn on Wi-Fi. Don't worry, you'll return to the steps discussed above after those.