1. Disconnect the negative battery cable.
2. Remove the plug hole plate.


Ignition system
Ignition coil inspectionMazda 6 Service Manual: Steering wheel and column removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the
air bag module, which may seriously injure you. Read AIR BAG SYSTEM WARNINGS
before handling the air bag module. (See SERVICE WARNINGS.)
1. Remove in the order indicated in the table.
2. Install in the reverse o ...
Mazda 6 Service Manual: Fuel tank inspection
Caution
Disconnecting/connecting the quick release connector without
cleaning it may possibly cause damage to the fuel pipe and quick release
connector. Always clean the quick release connector joint area before
disconnecting/connecting using a cloth or soft brush, and make sure that it ...