Chevrolet 2010 Impala Owner's Manual page 261

Never exceed the GVWR for your vehicle or the
Gross Axle Weight Rating (GAWR) for either
the front or rear axle.
If there is a heavy load, it should be spread out.
WARNING:
{
Do not load the vehicle any heavier than the
Gross Vehicle Weight Rating (GVWR), or
either the maximum front or rear Gross Axle
Weight Rating (GAWR). If you do, parts on the
vehicle can break, and it can change the way
your vehicle handles. These could cause you
to lose control and crash. Also, overloading
can shorten the life of the vehicle.
Notice Overloading the vehicle may cause
:
damage. Repairs would not be covered by the
vehicle warranty. Do not overload the vehicle.
If things like suitcases, tools, packages, or anything
else are put inside the vehicle, they will 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. In the cargo area, put them as
far forward as you can. 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.
•
When you carry something inside the
vehicle, secure it whenever you can.
•
Do not leave a seat folded down unless
you need to.
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