If a message is displayed in the center display, take appropriate action (in a calm manner) according to the displayed message.

KEY Warning Light (Some models)
Stop Vehicle in Safe Place ImmediatelyMazda 6 Owners Manual: Brake pedal removal/installation
1. For ATX model, remove the lock unit with brake switch (R.H.D. only).
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Brake switch Installation Note
1. Fix the brake switch on a bracket with pressing down at 50 N {5.1 kgf·m,
37 ft·lbf}.
2. Ro ...
Mazda 6 Owners Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Siphon the fuel from the fuel tank.
Note
Nonreturn valve is integrated in the fuel tank.
The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
If the nonretu ...