This is my 7th report. On [XXX] [XXX] pm I was traveling home from Alburquerque and was just past Isleta Resort and Casino heading south on [XXX]. I don’t use cruise control very often because of the emergency braking that occurs (and that I have reported several times before). I was on a long drive and decided to try it on a short section of [XXX] on my first day, and found that it was slowing on it’s own when I approached a car from behind. Two days later on the way home, when there was no one in front of me, it slowed significantly without needing to and I thought it was better than the past rapid braking…as I was thinking about this, the car abruptly