This video shows how you can get Engine Temperature on the 2011 – 2015 Chevy Sonic via an Android head unit, OBD2 Bluetooth Dongle and a google play store App
Buy the Sonic Android Audio head unit on Amazon at: https://amzn.to/3TOIWPE
Buy the Veepeak OBD 2 bluetooth android only dongle on Amazon at:
Buy the Veepeak OBD 2 bluetooth android & iOS dongle on Amazon at:
Google play store apps:
Car Scanner ELM OBD 2 (the best app I found for this setup) has free and pay wall versions for more functions.
https://play.google.com/store/apps/details?id=com.ovz.carscanner
Torque Pro is highly recommended in other videos but I could not get it to work with my dongle / head unit combo, but if you want to learn more about it, the link is:
https://play.google.com/store/apps/details?id=org.prowl.torque
Video on installing the Junsun Android Auto head unit
Gould Aero 