Volvo XC 90 Owner's Manual page 352

STARTING AND DRIVING
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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.
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).
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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 your own car's engine. If the start
attempt fails then extend the charging time
to 10 minutes, and then make a new start
attempt.
NOTE
When starting the engine in normal condi-
tions the car's electric drive motor is priori-
tised — the petrol engine remains off. This
means that after the ignition dial has been
turned to START the electric motor has
"started" and the car is ready to drive. A
started motor is indicated by the driver dis-
play's indicator lamps extinguishing and its
preset theme illuminating.
IMPORTANT
Do not touch the crocodile clips during the
start procedure. 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.