Pontiac 2003 Bonneville Owner's Manual page 252

And, if you do have a heavy load, you should spread
it
out. Don't carry more than 176 Ibs. (80 kg) in
your trunk.
Do not load your vehicle any heavier than the
GVWR, or either the maximum front or rear
GAWR. If you do, parts on your 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 your vehicle.
Nofice:
Your warranty does not cover parts or
components that fail because of overloading.
If you put things inside your vehicle
-
like suitcases,
tools, packaqes, or anything else
-
they will go as fast
as the vehicle goes. If you have to stop or turn
quickly, or if there is a crash, they'll keep going.
Things you put inside your vehicle can strike
and injure people in a sudden stop or turn, or
in a crash.
Put things in the trunk of your vehicle. In a
trunk, 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.
0
Don't leave an unsecured child restraint in
your vehicle.
When you carry something inside the
vehicle, secure it whenever you can.
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