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: Seat Belt Extender
If your seat belt is not long enough, even when fully extended, a seat belt extender
may be available to you at no charge from your Authorized Mazda Dealer.
This extender will be only for you and for the particular vehicle and seat. Even
if it plugs into other seat belts, it may not hold in the ...
Mazda 6 Owners Manual: Interior Equipment (View A)
1 - Door-lock knob 2 - Lighting control 3 - Turn and lane-change signal
4 - Wiper and washer lever 5 - Tire pressure monitoring system set switch 6
- DSC OFF switch 7 - Lane-keep Assist System (LAS) & Lane Departure Warning System
(LDWS) OFF switch 8 - Outside mirror switch 9 - Door-lock ...