Quote Originally Posted by awj223 View Post
Did the behavior of the parking sensors change with version 4.5.1? I got a solid red light on my ALP when pulling into the garage today. When I pushed the POWER button once, the light went to flashing (and the parking sensor beeps started up). One more press of the POWER button and the light was back to solid red.
Short press on the power button turns the parking sensors on or off. This was always that way. You might have turned them off previously not realizing it and when off the light will illuminate with no sounds.