check engine AUDI A4 1999 B5 / 1.G Battery Workshop Manual

27-1


Battery
The battery is one of the most important
electrical components in the vehicle. If it
functions properly, the battery will make a
significant contribution to customer satisfaction.
To ensure a long service life, the battery must be
checked, serviced and maintained as described
in this section.
In addition to starting the engine, the battery has
additional functions as a buffer and supplier of
electrical power for the entire vehicle electrical
system.
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