You will find the tire label containing tire inflation pressure by tire size and other important information on the driver's side B-pillar or on the edge of the driver's door frame.
SAMPLE

Information on Temporary Tires
Recommended Tire Inflation PressureMazda 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: Generator removal/installation
Warning
When the battery cables are connected, touching the vehicle body with
generator terminal B will generate sparks. This can cause personal injury, fire,
and damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
...