Volvo S60 2018 Owner's Manual page 440

STARTING AND DRIVING
Using jump starting with another
battery
If the starter battery is discharged then the car
can be started with current from another battery.
Attachment points for the jump leads.
When jump starting the car, the following steps
are recommended to avoid short circuits or other
damage:
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.
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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 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 terminal (3).
8. Connect the black jump lead's other clamp
onto the car's negative jump-starting 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. Start the engine in the car with the dis-
charged battery.
IMPORTANT
Do not touch the connections between cable
and car during the starting attempt. There is a
risk of sparks forming.
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 car's
positive jump-starting point/donor battery's
positive terminal or the clamp connected to
the red jump lead.