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: Base installation
1. Cut away all of the original sealant using a razor.
2. Clean and degrease the ceramic coating on the glass and the base.
3. Apply primer to the bonding area of the glass and the base.
Caution
Keep the area free of dirt and grease, and do not touch the
surface or the primer may not prope ...
Mazda 6 Owners Manual: i-ACTIVSENSE (Some models)
i-ACTIVSENSE is a collective term covering a series of advanced safety and driver
support systems which make use of a Forward Sensing Camera (FSC) and radar sensors.
These systems consist of active safety and pre-crash safety systems.
These systems are designed to assist the driver in safer dri ...