3.
Turn
off
the ignition on both vehicles.
Turn
off
all
lamps that aren’t needed, and radios. This will avoid
sparks and help save both batteries. And it could
save
your
radio!
NOTICE:
If
you leave your radio on, it could be badly
damaged. The repairs wouldn’t be covered by
your warranty.
4.
Open the hoods and locate the batteries. Find the
positive
(+)
and negative
(-)
terminals on each
battery.