manual locks

Hey guys, I have a mazda 3 2007 i sport. It comes with manual everything. I dont mind the manual cranks,but the power locks are very inconvenient to me. At a certain point i found my self just leaving the doors opened cause i got annoyed. I sent my car to bestbuy to see what they could do and i...

A friend of mine and I are going to install some rear speakers in my 07. My question is simply, how do I go about taking off the panel to access the speaker? Do I have to? I don't have power locks or windows, it's all manual. Sorry if it's such a simple question, but my friend works on mostly...