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MAINTENANCE AND SERVICING
480
Start battery
The vehicle's electrical system is single pole and
uses the body and engine block as conductors.
The start (main) battery is used to power the
starter motor and other electrical components
and systems.
The start battery should only be replaced by a
trained and qualified Volvo service technician.
The vehicle has an alternating current generator.
The start battery is an Absorbed Glass Mat
(AGM) 12-volt battery that is dimensioned for
use in vehicles to support electrical systems and
functions and regenerative charging.
The service life of a battery is affected by factors
such as driving conditions/style, the number of
starts, climate, etc. Extreme cold may also further
decrease the battery’s starting capacity.
•
Never disconnect the start battery while the
engine is running.
•
Check that the start battery is correctly con-
nected and that the clamps on its terminals
are properly tightened.
WARNING
•
Never expose the battery to open flame
or electric spark.
•
Do not smoke near the battery.
•
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 immedi-
ately with water. Obtain medical help
immediately if eyes are affected.
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.
If the start battery is being charged, the support
battery will also be charged.
If an external auxiliary battery is used to start the
vehicle, use the connection points in the
engine compartment. The start battery's termi-
nals should never be used. See the following
illustration for the location of the connection
points.
Positive connection point
Negative connection point
Only modern battery chargers with controlled
charging current should be used to charge the
start and support batteries. Quick charge func-
tions should not be used and could damage the
battery.
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