Rear parking assist system not working//rear parking sensor not working/parking sensor prblm diagnos

On video I discuss a rear parking assist system problem. Vehicle problem is there are no sound coming when apply reverse gear. on normal vehicle which is inbuilt rear parking assist system it will make some sound when any obstacle come near rear bumper.
so on video I share lots of thing like
rear parking assist system problem?
rear parking sensor problem?
how to diagnosis rear parking system problem?
how to find and fix rear parking system problem?
so watch this video if you have any enquiry plz
asked me on comments box.
THE NEXT GENERATION ENGINEERS

Видео Rear parking assist system not working//rear parking sensor not working/parking sensor prblm diagnos канала THE NEXT GENERATION ENGINEERS