The rechargeable battery under normal conditions of operation of the car practically does not demand service. At high temperature of air it is recommended to check electrolyte level in the battery from time to time.
In the opaque served battery measure the level of electrolyte by means of a hollow glass tubule, having closed one its end a finger. In the taken "sample" liquid column height in a tube will correspond to height of excess of level of electrolyte from the upper edge of plates.
Surely check electrolyte level when charging battery. It has to be always between the tags "MIN" and "MOVE" put on the longitudinal parties of the battery.
At decrease in level of electrolyte add in the relevant banks the distilled water to the mark "MAH". It should be made before the level of electrolyte falls below the mark "MIN".
Do not pour electrolyte above the necessary level as it will follow through an air vent. It can lead to damage of a paint and varnish covering and to corrosion of a body.
After an electrolyte dolivka densely close the relevant accumulator banks traffic jams.