Calls don't automatically go to receiver

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1

chevy malibu (2011):
galaxy s21 ultra(12):
firmware 1.8.0:

calls through adapter not working:

So everything works perfectly no lag or sound quality issues but when I place a call it goes to my handset. I have to also connect my Bluetooth to my radio receiver (atoto sa102) then calls work through the speaker system but it’s inconvenient because everything else is seamless. Even when I connect to the carsifi adapter I make sure calls and audio are turned on in my Bluetooth settings when I connect the device. Any advice on how to fix this so that when I turn the car on it automatically connects to Bluetooth and I don’t have to manually connect my phone to my head unit to hear calls through my car radio system.

2

Are you using the beta version or the public version of android auto ?
Anything else connected to the phone ? (watch, …)

3

I’m using standard play store version of android auto no beta and yes I do have watch connected as well but but I tried again today without wearing watch and it still doesn’t connect Bluetooth at all actually, I can’t use the adapter unless my wifi is turned on it won’t connect to Bluetooth at all even through the carsifi app. And when it does connect via wifi I have to pair my phone to the stereo as well to hear calls through the speakers