brake light problems

I have a 2017 Mazda CX-5 that needs it's 3rd brake light replaced (stupid me backed out of the garage a LITTLE too quickly before the door was all the way up...doh). I have the part and intended on fixing it myself, but after further review, I don't think my skills are sufficient for taking off...

It is 2002 protege 5 AT, and the parking brake light kept on and off when I brake without any patterns. It lights up when I brake little hard then goes off with pushing the gas or stays on otherwise. What could cause this problem? I googled a bit, and some people said it could be either low...

So I just installed DDM slim HIDs on my 2006 mazda 3 and after finishing am noticing a couple problems. First my fog light fuse is now making random clicking noises so I just unplugged the fuse and it stopped, I dont know if there is any problem with that though... Second, whenever my...