For the second time in a week my sliders on the 2016 manvan are frozen and won't open manually or with their motors. Last weekend I was able to scrape out some ice at the top between the door and roof and they freed up. No luck this morning though. Once I get these open and functioning again is there someplace I should be smearing silicon grease or something. It's not extremely cold here in upstate NY so I'm figuring someone from elsewhere in the polar vortex has run into this...The worst part isn't not being able to open the doors it's that after the motor tries and fails the car thinks the door is ajar and leaves the lights on. I'm sure this will mean a new battery if anyone forgets to turn the interior lights off when they shut things down.