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MAINTENANCE AND SERVICE
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623
Starter battery
The electrical system is single-pole and uses
the chassis and engine casing as a conduc-
tor.
The starter battery is used to start up the
electrical system and drive electrical equip-
ment in the car. The hybrid battery is used
when the internal combustion engine is
started.
The starter battery should be replaced by a
workshop
17
.
The starter battery is a 12 V AGM battery
(Absorbed Glass Mat), designed for regenera-
tive charging, and to support the functionality
of the car's different systems.
The service life and function of the starter bat-
tery is influenced by factors such as the num-
ber of starts, discharging, driving style, driving
conditions, climatic conditions etc.
•
Never disconnect the starter battery when
the engine is running.
•
Check that the cables to the starter bat-
tery are correctly connected and properly
tightened.
WARNING
•
The battery can generate oxyhydrogen
gas, which is highly explosive. A spark
can be formed if a jump lead is con-
nected incorrectly, and this can be
enough for the battery to explode.
•
Do not connect the jump leads to any
fuel system component or any moving
part. Be careful of hot engine parts.
•
The battery contains sulphuric acid,
which can cause serious burns.
•
If sulphuric acid comes into contact
with eyes, skin or clothing, flush with
large quantities of water. If acid
splashes into the eyes - seek medical
attention immediately.
•
Never smoke near the battery.
Charging points
When connecting an external starter battery or
battery charger, use the car's charging points
in the engine compartment.
The battery terminals on the car's starter bat-
tery in the luggage/cargo area must not be
used.
Positive charging point
Negative charging point
IMPORTANT
It is not possible to charge another car's
battery by supplying current through the
charging points. Using the charging points
to charge another car's battery may cause
a fuse to blow, which means that the
charging points will stop working.
17
An authorised Volvo workshop is recommended.
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