I agree that this was a good discussion. So far we've had no troubles towing our Ford Focus. I wouldn't say that we "don't know it's there" because I keep the backup camera on full time (it's wired so we can) and appreciate it especially on multi-laned Interstate conditions as a double check after using the mirrors and signaling our lane changes.
As for the use of the mechanical and proportional Ready Brake, I'd have to say that I can't tell that it has worked much. My guess is that it would lock up the wheels on the Focus if I hit the brakes hard (but I'm too chicken to do this as a trial and haven't had a close call yet).
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