Look for this under near the gas pedal. Turn all the knobs to left and play around with this part. It loosens and tightens the cable. Try turning to knobs all the way to the right if turning the knobs to the left doesn't work.
The terminals are kinda funky and I want to replace them with these:
Fastronix Military Spec Battery... https://www.amazon.com/dp/B00X36RILW/?tag=m20b7-20.
But, I think the copper lugs that came in the package are a bit too big for the smaller wires.
Read this thread from justin. He got mz6 08 calipers all around. Someone mentioned that the 99+ 626 has the same diameter as the rear mz6 rotors ... Read post #74
https://www.mazdas247.com/forum/index.php?threads/mazda-6-brake-upgrade.123797660/...
Hmmmm. I read
Somewhere that someone got around the parking cable issue by installing the left caliper onto the right side of the car, and the right caliper onto the left side of the car.