GMC 2010 Acadia Owner's Manual page 385

6. Turn the wrench clockwise to
raise the cable back up after
removing the spare tire.
Do not store a full size or a flat
road tire under the vehicle. See
Storing a Flat or Spare Tire and
Tools later in this section.
To continue changing the flat tire,
see Removing the Flat Tire and
Installing the Spare Tire later in this
section.
If the spare tire will not lower, the
secondary latch could be engaged.
Do the following to check the cable:
1. Check under the vehicle to see if
the cable is visible.
2. If it is not visible, see Secondary
Latch System on page 10 76.
If it is visible, first try to tighten
the cable by turning the lug
wrench clockwise until you hear
two clicks or feel it skip twice.
You cannot over tighten the
cable.
3. Loosen the cable by turning
the wrench counterclockwise
three or four turns.
4. If the spare tire has not lowered,
tighten the cable all the way and
then loosen it at least two times.
If the spare tire did lower to the
ground, continue with Step 5
under Removing the Spare
Tire (Vehicles with the Rear
Convenience Center) listed
previously.
Vehicle Care
5. If you still cannot lower the
spare tire to the ground, see
Secondary Latch System on
page 10 76.
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire Goes
Flat on page 10 57 for more
information.
2. If the vehicle has a wheel cover,
loosen the plastic nut caps with
the wheel wrench. They will not
come off. Then, using the flat
end of the wheel wrench, pry
along the edge of the cover until
it comes off. Be careful; the
edges may be sharp. Do not try
to remove the cover with your
bare hands.
Store the wheel cover securely
in the rear of the vehicle until
you have the flat tire repaired or
replaced.
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