about 0000 code, yeah, reading the manual first sometimes helps
as far as you other problem, many people here have problems with bluetooth so try to search for it and i'm sure you'll find someone with a similar problem/solution. maybe even
this thread will be helpful to you.
good luck!
by the way, i have the V3c RAZR and it pairs up no problem every time. i got it from a verizon store though, so it's not one those unlocked ones as you have.