Oldsmobile 2003 Silhouette Owner's Manual page 300

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 if your trailer will
weigh 2,000 Ibs. (900 kg) or less. You should
always use a sway control if your trailer will weigh
more than 2,000 Ibs. (900 kg). You can ask a
hitch dealer about sway controls.
Don't tow a trailer at all during the first 500 miles
(800 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 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.
You can use THIRD (3) (or, as you need to, a lower
gear) when towing a trailer. Operating your vehicle
in THIRD (3) when towing a trailer will minimize
heat buildup and extend the life of your transaxle.
Three important considerations have to do with weight:
the weight of the trailer,
*
the weight of the trailer tongue
and the weight on your vehicle's tires.
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