Audi Workshop Service and Repair Manuals

Battery: Testing and Inspection
Electrolyte Level - Batteries With Charge Indicator (Magic Eye), Checking

Electrolyte Level - Batteries With Charge Indicator (magic Eye), Checking

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Electrolyte level on batteries with charge indicator - arrow - can be established from the color indication. Three different colored displays are
possible:

color indicator

Battery status

Green

Battery adequately charged.

Black

Not charged or inadequately charged.

Colorless or yellow

Critical electrolyte level reached; topping up with distilled water essential, procedure.