I HAVE A 2004 TOYOTA SIENNA MINIVAN. EVERY YEAR WHEN THE TEMPERATURE IS BELOW FREEZING AND THERE IS EVEN SLIGHT PRECIPITATION, MY SLIDING DOORS FREEZE SO I AM NOT ABLE TO OPEN THEM AT ALL OR EVEN CLOSE THEM COMPLETELY. I HAVE BEEN TO THE DEALER REPEATEDLY. THEY HAVE LUBRICATED THE SEALS BUT IT HAS NOT SOLVED THE PROBLEM. THE DEALER ACKNOWLEDGES THIS IS A DESIGN PROBLEM WITH THIS MODEL AND THAT TOYOTA IS AWARE BUT WILL DO NOTHING ABOUT IT. MY DAUGHTER WAS RECENTLY INJURED GETTING INTO THE REAR DOOR WHEN SHE SLIPPED. I LIVE IN FEAR THERE WILL BE A CAR ACCIDENT OR EMERGENCY WHERE MY CHILDREN WILL NOT BE ABLE TO EXIT THE VAN. PLEASE HELP ME WITH THIS PROBLEM. *TR