The shield seem like there not bad''' anymore there not interfering in matches n attacking people like they used to n they do not get booed at all.
It's pretty simple. The faster you go over the bumps, the more shock your suspension has to absorb. Those who creep very slowly over the bumps are saving wear and tear on shocks and other suspension components. While you may not damage yours the first time you go over at 15 mph, you do stress your car more than the other guy. You may not damage it the second, or fifth or tenth time you go over, but who knows how much wear you are putting in the parts as you go by every day, maybe twice a day. It would be a shame if something failed as you came out of your own driveway, just when you were getting a late start, on your way to work, or a concert, or a date.
It depends, but is your finger broken? Can't you push the test button and replace the battery, if it needs it?
If you are section 8 the alarm is checked yearly, otherwise it is up to you. If you change the battery once a year you will never have a problem. Otherwise they beep annoyingly when the battery is low.