Instruction book Audi A4 Version Year 2016
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►Audi A4 ►Service and care ►Checking and top... ◀Battery
Fig. 334 Engine compartment: Terminals for jump leads and battery charger
Fig. 334 Engine compartment: Terminals for jump leads and battery charger
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 ► and ►.
Switch off all electrical equipment and the ignition.
Open the bonnet link►.
Open the red cap on the positive terminal Fig. 334►.
Connect the charger cables as specified 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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