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Old 12-14-2017, 01:30 PM   #15
rumatt
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Join Date: Oct 2003
Carmudgeonly Ride: E46 330i, Chevy Colorado, Tesla Model 3
Location: NY
Posts: 17,475
He told me a few things

1) "if you approach any garage door that opens automatically and your detector doesn't go off, it's not functioning properly.

2) There are certain auto-driving cars (Cadillacs being one) that use radar in a way that no one can block them.

"There are lot of signals out there that look just like real radar.

He pretty much convinced me that 1) GPS-based blocking is a necessity, and 2) V1's lates K-junk filtering (that's supposed to stop other cars from setting it off) still doesn't work well enough.
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