To add on to @RXShorty, you can also configure the volume, power and input buttons under Settings->Remotes & accessories. In there you'll see an option to setup more remote buttons. You can add your TV there if the TV doesn't turn on with CEC.
I'm sorry that it's not the answer you're looking for but, in case you have questions and concerns in the future, feel free to create a new thread — we're here to help. Also, I'll go ahead and lock this thread now.