Chevrolet 2009 Express Owner's Manual page 327

3. Assemble the jack and tools:
Front Position
Front Flat: Assemble the jack (A) together with the
jack handle (B), 1 or 2 jack handle extensions (D)
and the wheel wrench (E).
Rear Flat: Assemble the jack (A) together with the
jack handle (B), 2 jack handle extensions (D),
and the wheel wrench (E).
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