Checking the electrolyte level (VAZ-21011)

The electrolyte level should be 5–10 mm above the upper edge of the separators and not rise above the lower edge of the filler neck.

During battery operation, the electrolyte level gradually decreases as the water contained in it evaporates. To restore the electrolyte level, add only distilled water.

If it is determined that the low level is due to splashing, then add electrolyte of the same density as the one remaining in the battery cell.

If the level is above normal, suck out the electrolyte using a rubber bulb with an ebonite tip.