Oldsmobile 2003 Bravada Owner's Manual page 323

The tools you'll be using include the wheel wrench (A),
tire blocks (B), extension (socket end) (C), handle
(jack end)
(D),
and jack (E).
The following instructions explain how to remove the
spare tire mounted underneath your vehicle.
Notice: Never remove or restow a tire from/to a
storage position under the vehicle while the vehicle
is supported by a jack. Always tighten the tire
fully against the underside of the vehicle when
restowing.
f
1. To remove the underbody-mounted spare, insert
the socket end of the extension on a 45" angle
downward into the hoist drive shaft hole. This will
be exposed when the rear gate is open and is
just above the rear bumper. Be sure the socket end
of the extension connects into the hoist shaft.
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