what does this mean? do not have my owners manual. is there anywhere to download a pdf owners manual?

I GOT THE SAME ON MY 2003 I GOT TO TALK TO A CADDY MECH AND I WAS TOLD THEY ENTER THE COMPUTER BY PUSHING DOWN THE HEAT BOTTON AND ONE NEXT TO IT AND YOU GET SNAPSHOT TAKEN THAT TAKES A SHOT OF THE WHOLE SYSTEM AND IF THERE IS A PROBLEM IT WILL SHOW A CODE #. IF EVEYTHING IS GOOD YOU CAN JUST SCROLL IT AWAY.