Buick 2004 LeSabre Owner's Manual page 284

10. Now start the vehicle with the good battery and run
the engine for a while.
11. Try to start the vehicle that had the dead battery. If
it won't start after a few tries, it probably needs
service.
Notice: If the jumper cables are removed in the
wrong order, electrical shorting may occur and
damage the vehicle. The repairs would not be
covered by your warranty. Remove the jumper
cables in the correct order, making sure that the
cables do not touch each other or other metal.
5-46
9. Connect the other end
of the negative ( )
cable at least 18 inches
(45 cm) away from
the dead battery, but
not near engine
parts that move. The
electrical connection is
just as good there,
and the chance
of sparks getting back
to the battery is
much less.
Jumper Cable Removal
A. Dead Battery or Remote Positive (+) Terminal
B. Good Battery or Remote Positive (+) and Remote
Negative ( ) Terminals
C. Heavy, Unpainted Metal Engine Part or Remote
Negative ( ) Terminal