Buick REGAL 1997 Manual page 239

Jump Starting
If your battery has run down, you may want to use
another vehicle and some jumper cables to start your
Buick. But please follow the steps below to do it safely.
NOTICE:
Ignoring these steps could result in costly damage
to your vehicle that wouldn't be covered by your
warranty. Trying to start your Buick by pushing
or pulling it won't work, and it could damage
your vehicle.
Batteries can hurt you. They can be dangerous
because:
They contain acid that can burn you.
They contain gas that can explode or ignite.
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They contain enough electricity to burn you.
If you don't follow these steps exactly, some or all
of these things can hurt you.
1. Check the other vehicle. It must have a 12-volt
battery with a negative ground system.
NOTICE:
If the other system isn't a 12-volt system with a
negative ground, both vehicles can be damaged.
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