Secondary Latch System - GMC 2013 Yukon XL Denali Owner's Manual

2. Assemble wheel blocks (A) and
jack (E) together with the
wing nut (F).
3. Position the jack (E) and wheel
blocks (A) in the driver side trim
panel over the wheelhouse.
4. Turn the jack knob (G) clockwise
until the jack is secured tight in
the mounting bracket. Be sure to
position the holes in the base of
the jack onto the pin in the
mounting bracket.
5. Use the retaining bracket (C) to
fasten the tool bag (B) on the
stud and turn the wing nut (D)
clockwise to secure.
6. Return the storage tray to its
original stored position.
This vehicle has an
underbody-mounted tire hoist
assembly equipped with a
secondary latch system. It is
designed to stop the spare tire from
suddenly falling off your vehicle. For
the secondary latch to work, the
spare must be installed with the
valve stem pointing down. See
Storing a Flat or Spare Tire and
Tools under
.
Before beginning this procedure
read all the instructions. Failure to
read and follow the instructions
could damage the hoist assembly
and you and others could get
hurt. Read and follow the
instructions listed next.