GMC 2009 Savana - Manual (Page 337)

6. Make sure the tire is stored securely. Push, pull (A),
and then try to turn (B) the tire. If the tire moves,
use the wheel wrench to tighten the cable.
You will hear two clicks when the tire is up all
the way.
7. Return the jacking equipment to the proper location.
Secure the items and replace the jack cover.
Spare Tire
This vehicle, when new, may have had a fully-inflated
spare tire. A spare tire may lose air over time, so check its
inflation pressure regularly. See Inflation - Tire Pressure
on page 5-63 and Loading the Vehicle on page 4-18 for
information regarding proper tire inflation and loading the
vehicle. For instruction on how to remove, install or store
a spare tire, see Removing the Flat Tire and Installing the
Spare Tire on page 5-84 and Storing a Flat or Spare Tire
and Tools on page 5-94.
After installing the spare tire on the vehicle, you should
stop as soon as possible and make sure the spare is
correctly inflated. The spare tire is made to perform well
at speeds up to 70 mph (112 km/h) at the recommended
inflation pressure, so you can finish your trip.
Have the damaged or flat road tire repaired or replaced
as soon as you can and installed back onto the vehicle.
This way, a spare tire will be available in case you need
it again. Do not mix tires and wheels of different sizes,
because they will not fit. Keep the spare tire and its wheel
together.
5-95