[extrashaky]

Today I accidentally discovered that there's an easy way to override night mode (and day mode as well) on the BRZ's head unit. This might work on other head units as well, but since I don't have one to test, I don't know.

If you press and hold the "Audio" button, a hidden menu appears that, as far as I know, is not in the manual for the nav unit. If you're in day mode, a "Night" button appears at the top of the screen in that menu. If you're in night mode, that button says "Day" instead. Pressing that button toggles the night/day modes and causes it to ignore the headlights without having to adjust your display to full brightness.

So if you're driving with your headlights on in the rain during the day and want your display at daylight brightness, just press and hold the Audio button and push the "Day" button on the screen. I wish those idiots had put that in the manual instead of having me curse them for months for not including an intuitive way to override the automatic brightness settings.