Volvo XC40 TWIN ENGINE 2019 Owner's Manual page 461

1. Set the car's electrical system in ignition
position 0.
2. Check that the donor battery has a voltage
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 ter-
minal (1).
IMPORTANT
Connect the start cable carefully to avoid
short circuits with other components in the
engine compartment.
5. Open the positive jump-starting point's
cover (2).
6. Connect the red jump lead's other clamp
onto the car's positive jump-starting point
(2).
7. Connect one of the black jump lead's
clamps to the donor battery's negative ter-
minal (3).
8. Connect the black jump lead's other
clamp onto the car's negative jump-star-
ting point (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. Hold down the start button for at least 5
seconds without your foot on the brake to
activate the car's electrical system.
NOTE
When starting the engine in normal condi-
tions, the car's electric drive motor is priori-
tised – the internal combustion engine
remains switched off. This means that after
the start button has been depressed, the
electric motor has "started" and the car is
ready to move. A started motor is indicated
by the driver display's indicator lamps
extinguishing and its preset theme illumi-
nating.
IMPORTANT
Do not touch the connections between
cable and car during the starting attempt.
There is a risk of sparks forming.
STARTING AND DRIVING
12. Wait at least 2 minutes in order to charge
the starter battery and then make a start
attempt.
13. If the attempt at starting fails, repeat
points 11 and 12.
14. 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
car's positive jump-starting point/donor
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.
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
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