How do I connect the LEGO Powered Up remote control?
The Powered Up system uses Bluetooth for control, so the remote needs to be paired with the Smarthub. To accomplish the pairing between the Powered Up remote and the Smarthub, you simply press the green buttons on both devices at the same time as shown in the instructions and in this review by Beyond the Brick:



If the pairing process works correctly, both devices should have their lights lit up in the same color.