GMC 2007 Envoy - Manual (Page 477)

8. Continue raising the jack until the spare tire
stops moving upward and is held firmly in
place. The secondary latch has released and
the spare tire is balancing on the jack.
9. Lower the jack by turning the wheel wrench
counterclockwise. Keep lowering the jack
until the spare tire slides off the jack or
is hanging by the cable.
10. Disconnect the jack handle from the jack and
carefully remove the jack. Use one hand to
push against the spare while firmly pulling the
jack out from under the spare tire with the
other hand.
11. If the spare tire is
hanging from the
cable, insert
the socket end of
the extension
into the hoist shaft
hole on a 45 degree
angle downward.
12. Be sure that the socket end of the extension
connects to the hoist shaft.
Turn the wheel wrench counterclockwise to
lower the spare the rest of the way.
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