2006 ISUZU ASCENDER Unknown Or Other Problems

THE DRIVER'S DOOR DOES NOT OPEN AND IT DOES NOT LOCK OR UNLOCK. THE DRIVER'S AND PASSENGERS WINDOWS GET STUCK. THERE IS ONGOING ELECTRICAL PROBLEMS IN MY VEHICLE AND IT CONCERNS ME FOR THE SAFETY OF MY CHILDREN.

I CAME OUTSIDE AT 11:30AM AND TRIED TO OPEN THE REAR LIFT GLASS AND DISCOVERED THAT ONE THE METAL HINGES/BRACES ON THE TOP OF THE GLASS HAD SEPARATED. IT APPEARS TO ME THAT THE ADHESIVE THAT BONDED THE METAL TO THE GLASS HAS FAILED. I WAS A LITTLE STUNNED AFTER I THOUGHT ABOUT WHAT COULD HAVE HAPPENED IF I WAS TRAVELING WITH A LOAD PRESSED AGAINST THIS GLASS. I TOOK THE VEHICLE TO A LOCAL GM DEALERSHIP AND I WAS TOLD THE ENTIRE GLASS WOULD HAVE TO BE REPLACE AT A COST OF APPROXIMATELY $1700; ABOUT $1200 OF THAT PRICE IS FOR THE GLASS ITSELF. THEY ALSO TOLD ME THAT EVEN THOUGH THERE'S NOTHING ELSE WRONG WITH THIS GLASS, THERE WAS NO WAY TO SIMPLY REATTACH THE METAL TO THE GLASS WITH SOME TYPE OF ADHESIVE. IT'S A HUGE HARDSHIP TO HAVE TO PAY SUCH A LARGE AMOUNT OF MONEY...