Why does my iPhone 6 keep Bluetoothing to my car even when I have Bluetooth turned completely off?

Every time I get in my car, (2017 Toyota 4Runner) my phone automatically turns my Bluetooth on and connects to the car and it pisses me off. How do I make it stop doing this?

Go into settings on your phone. Bluetooth. Turn on. Find the BT device. Probably something like Car or Toyota or brand of radio. Click on forget device.

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