Sonar is a system that uses sound waves to detect objects underwater. It sends out sound signals and measures how long they take to bounce back, helping to find and locate things like fish, submarines, or other underwater obstacles. Full definition
RAV4 Platinum models also add a hands - free power liftgate with jam protection and a front and rear parking sonar system to the stellar list of standard amenities. (easternshoretoyota.com)
Parking sonar uses ultrasonic (usually) or electromagnetic sensors in the back and sometimes front of the car to judge how close you are to objects nearby. (extremetech.com)
Available Front and Rear Parking Assist uses sonar sensors integrated in the bumpers to warn you as you near other vehicles or objects. (schaumburgkia.com)