Battery maintenance usually involves periodic testing rather than a fixed replacement interval.
A 12-volt battery's usable life depends on climate, usage patterns and vehicle electrical load, which makes a single universal replacement interval unreliable.
Many manufacturer schedules include a battery test or inspection point rather than a scheduled replacement, with replacement recommended only when a test indicates it is needed.
Hybrid and electric vehicles may have additional battery-related service items beyond the standard 12-volt battery; these are treated as separate items on the applicable schedule.
This page explains the service in general terms. It does not state a mileage or time interval, because the correct interval depends on your vehicle's manufacturer, model, year and configuration.
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