It is under warranty, but before I take it 100miles to nearest OPC is there anything I should check? Roof used to work fine from either key fob, but not now. The windows drop but the roof doesn't open, from either key. The red light on dash door lock/unlock switch flashes when fob button held so car getting a signal. Possibly has not worked since car had battery disconnected over winter, but don't see anything in the manual requiring a reset? Any suggestions?