Radar sensors tie into the system, providing audible proximity alerts and an on-screen distance display ... consider the ePath 8-Sensor Parking system with display monitor. The 8 included sensors ...
This is basically the same idea as cars that use parking assist sensors in the bumper. It’s just attached to the building instead of to the vehicle itself.
That said, even the worst performers are better than a beeper-type parking ... Systems typically use a video screen built into a replacement rearview mirror, an accessory add-on monitor for ...