Correct,the Police station will take them and check the installation of any current ones
I dont think they do, but i believe you can take old car seats to a police station and they'll cut the straps and dispose of them for you.
No
I haven't heard of them doing it. Local municipalities usually have something set up or offer 'drives' and checkups from time to time
Not as far as i know
Thanks! Your answer is awaiting moderation.