Chevrolet 1998 Lumina Owner's Manual page 193

That's the reason for this part. In it are many
time-tested, important trailering tips and safety rues.
Many of these are important for your safety and that of
your passengers. So please read this section carefully
before you pull a trailer.
Load-pulling components such as the engine, transaxle,
wheel assemblies and tires are forced to work harder
against the drag of the added weight. The engine is
required to operate at relatively higher speeds and under
greater loads, generating extra heat. What's more, the
trailer adds considerably to wind resistance, increasing
the pulling requirements.
If You Do Decide To Pull A Trailer
If you do, here are some important points:
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There are many different laws, including speed limit
restrictions, 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.
Don't tow a trailer at all during the first 1,000 miles
(1 600
km)
your new vehicle is driven. Your engine,
axle or other parts could be damaged.
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Then, during the first 500 miles (800
km)
that you
tow a trailer, don't drive over 50 mph (80 k m k ) and
don't make starts at full throttle. This helps your
engine and other parts of your vehicle wear in at the
heavier loads.
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Obey speed limit restrictions when towing a trailer.
Don't drive faster than the maximum posted speed
for trailers (or no more than 55 mph (90 M)) to
save wear on your vehicle's parts.
Three important considerations have to do with weight:
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the weight of the trailer,
the weight of the trailer tongue
and the total weight on your vehicle's tires.
Weight of the Trailer
How heavy can a trailer safely be?
It should never weigh more than 1,000 lbs. (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 all important. And, it can also depend
on any special equipment that you have on your vehicle
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