I have always been curious about how the Back Sonar of the Carina Jeune works. I mean, I know it works similarly to our modern parking sensors: ultrasonic sensors in the bumper and some processing unit calculating the distance. But how it actually operates in real life, I wouldn’t know. But lucky enough for you: I’m going to tell you exactly how in today’s post!
![Toyota Carina SG Jeune brochure page September 1982](https://www.banpei.net/wp-content/uploads/2009/10/carina-jeune-reverse-backup-warning.preview-1024x619.jpg)
The brochure doesn’t tell us much more than that it is a back sonar parking aid. The Jeune TV ad does show us a bit more details:
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