Oldsmobile Bravada 2002 Owner's Manual page 73

When a new vehicle is delivered, the dealer provides the
owner with a pair of identical keys and a key code number.
This vehicle has one
-
double sided key for the
ignition and door locks.
It will fit with either side up.
The key code number tells your dealer or a qualified
locksmith how to make extra keys. Keep this number in
a safe place. If you lose your keys, you'll be able to have
new ones made easily using this number. Your selling
dealer should also have this number.
NOTICE:
Your vehicle has a number of new features that
can help prevent theft. But you can have a lot
of trouble getting into your vehicle if you ever
lock your keys inside. You may even have to
damage your vehicle to get in. So be sure you
have extra keys.
If you ever do get locked out of your vehicle, call the
Oldsmobile Roadside Assistance Center. See "Roadside
Assistance" in the Index.
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