10-78 Vehicle Care
Disconnecting the Jumper Cables
1. Disconnect the black
negative (−) jumper cable from
the Volt. Do not let the other end
of the cable touch anything until
after the next step.
2. Disconnect the black
negative (−) jumper cable from
the other vehicle with the good
battery.
3. Disconnect the red positive (+)
jumper cable from the other
vehicle. Do not let the other end
of the cable touch anything until
after the next step.
4. Disconnect the red positive (+)
jumper cable from the Volt.
5. Return the positive (+) and
negative (−) terminal covers to
their original positions.
Jump Starting Another Vehicle
When using the Volt to jump start
another vehicle with a run‐down
battery, jumper cables are
connected directly to the positive (+)
and negative (−) terminals on the
12‐volt battery in the rear cargo
area. Do not use the remote
terminals under the hood. This
could cause a fuse to overload in
the Volt.
1. Check the other vehicle. It must
have a 12‐volt battery with a
negative ground system.
Notice: Only use a vehicle that
has a 12-volt system with a
negative ground for jump
starting. If the other vehicle does
not have a 12-volt system with a
negative ground, both vehicles
can be damaged.
2. Park both vehicles close enough
so that the jumper cables can
reach both vehicles' positive (+)
and negative (−) terminals. The
vehicles must not touch each
other. It could cause an
unwanted ground connection
that could damage both vehicles'
electrical systems.
Put both vehicles in P (Park) for
an automatic transmission or
electric drive unit. For a manual
transmission, place the vehicle
in Neutral and set the parking
brake.
Notice: If any accessories are left
on or plugged in during the jump
starting procedure, they could be
damaged. The repairs would not
be covered by the vehicle
warranty. Whenever possible,
turn off or unplug all accessories
on either vehicle when jump
starting the vehicle.
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