GMC 2014 Sierra Owner's Manual page 440

For regular cab models, the
equipment you will need is behind
the passenger seat. For extended
and crew cab models, the
equipment is on the shelf behind the
passenger side second row seat.
1. Turn the knob on the jack
counterclockwise to lower the
jack head to release the jack
from its holder.
2. Turn the wing nut
counterclockwise to remove the
wheel blocks and the wheel
block retainer.
3. Turn the wing nut used to retain
the storage bag and tools
counterclockwise to remove it.
Use the jack handle extensions and
the wheel wrench to remove the
underbody-mounted spare tire.
1. Spare Tire (Valve Stem
Pointed Down)
2. Tire/Wheel Retainer
3. Hoist Cable
4. Hoist Assembly
5. Hoist Shaft
6. Jack Handle Extensions
7. Wheel Wrench
8. Spare Tire Lock (If Equipped)
9. Hoist Shaft Access Hole
10. Hoist End of Extension Tool
1. Open the spare tire lock cover
on the bumper and use the
ignition key to remove the spare
tire lock (10). To remove the
spare tire lock, insert the ignition
key turn and pull straight out.
2. Assemble the wheel wrench (7)
and the two jack handle
extensions (6), as shown.