2003 NEWMAR DUTCHSTAR Electrical System Problems

THIS FALL AS IN PAST FALLS I PLACED MY MOTOR COACH IN WINTER STORAGE. AT THAT TIME I TURNED OFF THE ENGINE BATTERIES AS WELL AS THE HOUSE BATTERIES. APPROXIMATELY FOUR WEEKS LATER DEC 6TH 2015 I WAS CALLED BY AN OBSERVER THAT MY LEFT SUPER SLIDE WAS EXTENDING AND RETRACTING ALL BY ITSELF. WHEN I ARRIVED AT THE COACH IT WAS OVERWHELMING TO SEE THAT THE SLIDE EVEN THOUGH THERE NO POWER BEING SUPPLIED TO IT HAS ATTEMPTING TO GO IN AND OUT BENDING THE HEAVY STEEL LOCK LITERALLY IN TWO. I CALLED NEWMAR CORP AND THEY ADVISED ME TO TAKE MY COACH TO A US AUTHORIZED DEALER IN MOUNT CLEMENTS MIC WHICH WAS LITERALLY 500 MILES CLOSER THAN MY CDN DEALER. AFTER WEEK THE THE DEALER RV GENERAL CALLED ME TO INFORM ME MY COACH HAD BEEN REPAIRED.I PICKED UP THE COACH AND PAID THE INVOICE OF $775.00...