Q: I just noticed my rear window defroster has a big gap in the middle that doesn’t defrost. It’s about 2 inches high. I was told the window needs to be replaced to fix this, and it’s really expensive ...

Dear Tom and Ray: I have a great, wonderful, sweet co-worker who might be as wacky as a loon. It was zero degrees Fahrenheit last week, and she refused to use her rear defroster, claiming it would ...