Had the coach out for a bit of exercise, and now it won't go out of travel mode. None of the buttons do anything. I've unplugged and checked the two fuses that said HWH, and found both to be good. Then I unplugged the cable from the control panel and plugged it back in again. Still nothing. The manual doesn't seem to cover this. Any ideas?<br/><br/>I'll call HWH tomorrow if the...