12 volt vehicle battery and fuses › 12 volt vehicle battery 213
Vehicle stationary for a long period of time
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12 volt vehicle battery and fuses
Automatic system-related discharge protection measure with
regard to the 12 volt vehicle battery
12 volt vehicle battery
Switching off certain consumers or limiting their power
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What you should be mindful of
Explanation of the warning symbols on the 12-volt vehicle
battery
Checking and charging the 12 volt vehicle battery
Wear safety goggles!
Checking the condition
The condition of the 12 volt vehicle battery is checked by a spe-
cialist garage during servicing.
The battery acid of the 12-volt vehicle battery is very
caustic. Wear gloves and eye protection.
Checking the acid level
Applies to a 12 volt vehicle battery with an acid level indicator.
Keep fire, sparks and open light away from the 12 volt
vehicle battery! Do not smoke!
Tap on the indicator before testing,
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to clear air bubbles.
Black colour - the acid level is OK.
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When charging the 12 volt vehicle battery, a highly ex-
plosive gas mixture is produced!
Colourless or pale yellow colour -
acid level is too low, the 12 volt ve-
hicle battery must be replaced.
Keep children away from the 12 volt vehicle battery!
Refer to the owner’s manual!
Charging
The 12-volt vehicle battery is automatically charged when the
high-voltage battery is charged.
Functionality - Protection against discharge of the 12
volt vehicle battery
If required, the 12 volt vehicle battery can be charged using a 12
volt charger.
Possible causes for the discharge of the 12 volt vehicle bat-
tery
Requirements for charging a 12 volt vehicle battery
✓ Ignition off
Worn 12 volt vehicle battery
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Low temperatures
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