Buick 1994 Roadmaster Owner's Manual page 193

3. Turn off the ignition on both vehicles. Turn off
all
lights that aren't needed, and radios. This will avoid
sparks and help save.both batteries. And it could
save your radio!
I
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.
Your Buick has a remote positive (+)jump starting terminal.
The terminal is in the red box on the same side of the engine
compartment as your battery. You should always use one of
the remote positive
(+)
terminals instead of the positive
(+)
terminal on your battery. To open the remote positive
(+)
terminal box, pull the tab and open the cover.
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