1. Just use auto and forget it - why do you care? Alternatively if you persist with your retro ways, go into the car setup, under lighting, set the light up detection to "late" - its probably on early. That will mean its darker before it starts nagging. But seriously, leave the lights on auto and set the lighting to "early" and you'll live longer...
2. Yes, unless you've turned it off in the menus, it comes on automatically. It also comes on if anything gets close while driving. You can change all of this behaviour in the setup menu under "parking and manoeuvring"
3. Really? Mine has had the best reception of any car I've had actually...