my i phone is search for an apple watch to connect with but I don't have an apple watch

I updated my i phone 2 weeks ago. With that update supposedly there was a new app for an apple watch. This app cannot be deleted off the phone. For some reason my phone is searching for an apple watch. I don't own an apple watch. My blue tooth cannot work in the car. The phone keeps searching and searching using up my battery. The only way I can make it stop is turn off the blue tooth. When all of this happened, the volume on my phone volume became weaker. I have a very difficult time hearing.

I am told by support that I have to set my phone back to factory settings and take it to the phone store. Trust me nobody has time for that.

Any suggestions?

Thanks