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MAINTENANCE AND SERVICE
618
Start battery
The vehicle has a single-pole electrical system
that uses the chassis and engine mount as con-
ductors.
The start battery is used to start the electrical
system and power the starter motor and other
electrical equipment in the vehicle.
The start battery should only be replaced by a
workshop
19
.
The vehicle has a voltage-regulated alternating
current generator.
The start battery is a 12 V battery, designed for
the carbon dioxide reducing functions Start/Stop
and regenerative charging, and to support the
functionality of the car's different systems.
The service life and performance of the start bat-
tery are affected by factors such as driving style,
driving conditions, climate, battery discharges,
number of starts, etc.
•
Never disconnect the start battery while the
engine is running.
•
Make sure the cables to the start battery are
correctly connected and the clamps are
securely tightened.
WARNING
•
Batteries generate hydrogen gas, which
is flammable and explosive.
•
Do not connect the jumper cable to any
part of the fuel system or to any moving
parts. Avoid touching hot manifolds.
•
Battery fluid contains sulfuric acid. Do not
allow battery fluid to contact eyes, skin,
fabrics or painted surfaces.
•
If contact occurs, flush the affected area
immediately with water. Obtain medical
help immediately if eyes are affected.
•
Never expose the battery to open flame
or electric spark. Do not smoke near the
battery. Failure to follow the instructions
for jump starting can lead to injury.
Connection points
WARNING
PROPOSITION 65 WARNING
Battery posts, terminals, and related accesso-
ries contain lead and lead compounds, chemi-
cals known to the state of California to cause
cancer and reproductive harm. Wash hands
after handling.
Use the vehicle's connection points in the engine
compartment to connect an external start battery
or battery charger.
The battery terminals on the car's start battery in
the luggage/cargo area must not be used.
If the start battery is being charged, the support
battery will also be charged.
Positive connection point
Negative connection point
19
An authorized Volvo workshop is recommended.
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