Turn on the TV and the device you want to control
Press and hold the Setup button on the Comcast remote until the LED changes from red to green
Press the device button you want to program, such as TV, AUX, or DVD
Enter the manufacturer code for your device using the number pad
Press Power to test the remote
If the device turns off, press Setup to save the code
If the device does not respond, repeat the steps with a different code
Use the Comcast remote code lookup if you do not know the correct code
For voice remotes, press and hold Setup until the light flashes, then follow the on-screen pairing steps
If needed, reset the remote by removing the batteries and reinserting them
Replace the batteries if the remote still does not work