Wheel hub, steering knuckle removal/installation
Wheel hub, hub spindle pre-inspectionMazda 6 Service Manual: Electrical parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the
engine room, pry up the hook of the clip using a
flathead screwdriver.
...
Mazda 6 Service Manual: Battery Maintenance
To get the best service from a battery:
Keep it securely mounted.
Keep the top clean and dry.
Keep terminals and connections clean, tight, and coated with petroleum jelly
or terminal grease.
Rinse off spilled electrolyte immediately with a solution of water and baking
soda.
If th ...