I have yet to be able to get my stock kenwood head unit off demo mode, it goes back to it after a minute or so. I bought the boat new in 08 and, like an idiot, have been sporting demo mode ever since. How do I turn off demo mode haha?

Another quick question, last season we had our IPhones playing through the headphone jack and plugged into the front of the headunit. It's not working this year and we don't remember if there was a trick to it or not? Maybe bad cable?

Thanks for any help, I'm good with automotive wiring and electrical, just not very stereo savvy