Instruction book Audi A6 Version year 2016
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►Audi A6  ►Service and care  ►Checking and topping up fluids  ◀Battery
Important: Only use chargers with a maximum charge voltage of 14.8 V (the battery cables do not have to be disconnected).
Note the warnings WARNING! and WARNING!.
Switch off all electrical equipment and the ignition.
Open the bonnet ►Link.
Open the red cap on the positive terminal Fig. 1.
Follow the correct procedure for connecting the charger cables to the jump-start terminals (terminal with red cap = "positive", terminal with hexagon = "negative").
Connect the battery charger to the mains and switch it on.
After charging the battery: switch off the battery charger and disconnect the mains cable.
Detach the charger cables from the terminals.
Refit the red cap onto the positive terminal.
Close the bonnet ►Link.
WARNING!
  • A highly explosive mixture of gases may be given off when the battery is under charge. Only charge the vehicle battery in a well ventilated area.
  • When it is discharged the vehicle battery can freeze at temperatures around 0°C. You must not use a vehicle battery which has frozen, even after it has thawed, because the ice may have cracked the battery casing and allowed the battery acid to escape - risk of explosion and chemical burns! Please contact a qualified workshop if you have any questions.
  • Do not connect or disconnect the charging cables during the charging process - risk of explosion!
Note
  • Use only the terminals in the engine compartment to charge the vehicle battery.
  • Before you charge the vehicle battery, always read and follow the manufacturer's instructions for using the battery charger.
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