GMC 2015 Sierra Denali Owner's Manual page 198

Warning (Continued)
cause loss of control and a
crash. Overloading can also
shorten the life of the vehicle.
Caution
Overloading the vehicle may
cause damage. Repairs would not
be covered by the vehicle
warranty. Do not overload the
vehicle.
Using heavier suspension
components to get added
durability might not change the
weight ratings. Ask your dealer
to help load the vehicle the
right way.
If you put things inside the
vehicle like suitcases, tools,
packages, or anything
else they go as fast as the
vehicle goes. If you have to stop
or turn quickly, or if there is a
crash, they will keep going.
Warning
Things you put inside the
vehicle can strike and injure
people in a sudden stop or
turn, or in a crash.
Put things in the cargo
area of the vehicle. Try to
spread the weight evenly.
Never stack heavier
things, like suitcases,
inside the vehicle so that
some of them are above
the tops of the seats.
Do not leave an
unsecured child restraint
in the vehicle.
Driving and Operating
Warning (Continued)
When you carry something
inside the vehicle, secure
it whenever you can.
Do not leave a seat folded
down unless you need to.
There is also important loading
information for off-road driving in
this manual. See Loading the
Vehicle for Off-Road Driving
under Off-Road Driving on
page 9-6.
Two-Tiered Loading
Depending on the model of the
pickup, an upper load platform
can be created by positioning
three or four 5 cm (2 in) by
15 cm (6 in) wooden planks
across the width of the pickup
(Continued)
box. The planks must be
inserted in the pickup box
depressions.
9-19