User Manual - Page 270

For 2016 VOLVO V40.

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08 Starting and driving
08
268
Jump starting
If the starter battery (p. 367) is discharged
then the car can be started with current from
another battery.
When jump starting the car, the following
steps are recommended to avoid short cir-
cuits or other damage:
1. Set the car's electrical system in key
position 0, see Key positions (p. 76).
2. Check that the donor battery has a volt-
age of 12 V.
3. If the donor battery is installed in another
car - switch off the donor car's engine
and make sure that the two cars do not
touch each other.
4. Connect one of the red jump lead's
clamps to the donor battery's positive
terminal (1).
IMPORTANT
Connect the start cable carefully to avoid
short circuits with other components in the
engine compartment.
5. Open the clips on the front cover of the
battery in your car and remove the cover.
6. Connect the red jump lead's other clamp
onto the car's positive terminal (2).
7. Connect one of the black jump lead's
clamps to the donor battery's negative
terminal (3).
8. Connect the other clamp to a grounding
point, e.g. right-hand engine mounting at
the top, the outer screw head (4).
9. Check that the jump lead clamps are
affixed securely so that there are no
sparks during the starting attempt.
10. Start the engine of the "donor car" and
allow it to run a few minutes at a speed
slightly higher than idle
approx. 1500 rpm.
11. Start the engine in the car with the dis-
charged battery.
IMPORTANT
Do not use the connections when attempt-
ing to start, as there is a risk of sparking.
12. Remove the jump leads in reverse order -
first the black and then the red.
> Make sure that none of the black jump
lead's clamps comes into contact with
the battery's positive terminal or the
clamp connected to the red jump lead.
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.
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.
Related information
Starting the engine (p. 266)
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