Pontiac 1993 Grand Am Owner's Manual page 162

If
B u
Do Decide to Pull a Trailer
If you do, here are some important
points.
There are many different laws having
to do with trailering. Make sure your
rig will be legal, not only where you
live but also where you'll be driving.
A good source for this information can
be state or provincial police.
Consider using a sway control. You
can ask a hitch dealer about sway
controls.
a
Don't tow a trailer at all during the
first 500 miles (804
km)
your new
vehicle is driven. Your engine, axle or
other parts could be damaged.
Then, during the first 500 miles
(804
km)
that you tow a trailer, don't
drive over 50 mph (80 km/h) and
don't make starts at full throttle. This
helps your engine and other parts of
your vehicle wear in at the heavier
loads.
Three important considerations have
to do with weight:
161
I .
Weight of the Trailer
How heavy can a trailer safely be? It
should never weigh more than 1, O OO
pounds (450 kg).
But even that can be too heavy. It
depends on how you plan to use your
rig. For example, speed, altitude, road
grades, outside temperature and how
much your vehicle is used to pull a
trailer are a l l important. And, it can
also depend on any special equipment
that you have on your vehicle.
...