STARTING AND DRIVING
464
Overloading the starter battery
The electrical functions in the car load the starter
battery to varying degrees. Avoid using the igni-
tion position II when the car is switched off.
Instead, use ignition position I - which uses less
power.
Also, be aware of different accessories that load
the electrical system. Do not use functions which
use a lot of power when the car is switched off.
Examples of such functions are:
•
ventilation fan
•
headlamps
•
windscreen wiper
•
audio system (high volume).
If the starter battery voltage is low, a message is
shown in the driver display. The energy-saving
function then shuts down certain functions or
reduces certain functions such as the ventilation
fan and/or audio system.
–
In which case, charge the starter battery by
starting the car and then running it for at
least 15 minutes - starter battery charging is
more effective during driving than running
the engine at idling speed while stationary.
Related information
•
Starter battery (p. 592)
•
Ignition positions (p. 426)
Using jump starting with another
battery
If the starter battery is discharged then the car
can be started with current from another battery.
Charging point for jump-starting own car.
IMPORTANT
The car’s charging point is only intended for
jump-starting the car itself. The charging
point is not intended for jump-starting
another car. Using the charging point to jump
start another car may cause a fuse to blow,
which means the charging point will stop
working.
When a fuse has blown the message 12 V
Battery Fuse failure Service required is
shown in the driver display. Volvo recommends
that an authorised Volvo workshop is contacted.
When jump-starting the car, the following steps
are recommended to avoid short circuits or other
damage:
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