Thinkware Multiplexer Bundle with 2 Side Cameras and 1 Interior IR Infrared Camera for Up to 5 Channel Recording

The Thinkware Multiplexer (with side cameras) + compatible dash cam might be the closest you can get to Sentry mode on non-Tesla vehicles: https://a.co/d/0hC6exsQ If you want to avoid draining your car battery with this setup, you could buy a dash cam battery pack. Blackboxmycar sells a few different models, here's one option: https://www.blackboxmycar.com/products/blackboxmycar-powercell-8-dash-cam-battery-pack