1. Disconnect the negative battery cable.
2. Remove the column cover.
3. Disconnect the key reminder switch connector.
4. Remove the key reminder switch.

5. Install in the reverse order of removal.
Ignition switch inspection
Key reminder switch inspectionMazda 6 Service Manual: Replacing a Tire
WARNING
Always use tires that are in good condition: Driving with worn tires
is dangerous. Reduced braking, steering, and traction could result in an accident.
Replace all four tires at the same time: Replacing just one tire
is dangerous. It could cause poor handling and poor braking resulting ...
Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble control solenoid valve.
If as specified, carry out the Circuit Open/Short ...