All different yes,losing the ability to think yes,losing the ability to use our brains and common sense yes,losing the ability to do things for ourselves yes....................????????🙁
Can't imagine changing the oil and not changing the oil filter but then again some do,not something I would personally do,always change both together 👍
Can't help with the other two issues but your parking brake light being permanently on is 95% more than likely to be due to the center stop/brake light bulb being blown