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

For most drivers, the rear defroster button is an afterthought. You jab it on cold mornings, watch the frost melt into streaky rivulets, and then forget about it until the next weather event.

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