A low level of electrolyte fluid will cause the battery to discharge quickly.

Inspect the electrolyte level at least once a week. If it is low, remove the caps and add enough distilled water to bring the level between the upper and lower level (illustration).
Do not overfill.
Examine the specific gravity of the electrolyte with a hydrometer, especially during cold weather. If it is low, recharge the battery.
Battery Maintenance
Battery RechargingMazda 6 Owners Manual: Clock spring adjustment
Note
The adjustment procedure is also specified on the caution label of
the clock spring.
1. Set the front wheels straight ahead.
Caution
The clock spring will break if over-wound. Do not forcibly turn
the clock spring.
2. Turn the clock spring clockwise until it stops.
3. Tu ...
Mazda 6 Owners Manual: Torque formulas
When using a torque wrench-SST or equivalent combination, the
written torque must be recalculated due to the extra length that the SST
or equivalent adds to the torque wrench.
Recalculate the torque using the following formulas. Choose the formula that
applies to you.
A : The leng ...