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That's a shame, but thanks for the prompt response. I like the idea of a line behind me on the ground. I'll check to see if I can actually see that with my backup camera and then give it a try. Thanks! P.S. How do you upvote someone, or is that not a thing here?

One of my favorite features is how I can pull into my garage and see a numeric readout telling me how far I am from colliding with the forward wall. In the old days, we used to hang a tennis ball on a string from the ceiling and position it in such a way that it would hit my windshield just when...