If You Do Decide To Pull A Trailer - GMC 2003 Envoy XL Owner's Manual

If You Do Decide To Pull A Trailer
If you do, here are some important points:
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.
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Consider using a sway control if your trailer will
weigh 4,000 Ibs. (1 816 kg) or less. You should
always use a sway control if your trailer will weigh
more than 4,000 Ibs. (1 816 kg). You can ask a
hitch dealer about sway controls.
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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.
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.
With an automatic transmission, you can tow in
DRIVE (D). You may want to shift the transmission
to THIRD (3) or, if necessary, a lower gear
selection if the transmission shifts too often e.g.,
under heavy loads and/or hilly conditions.
Three important considerations have to do with weight:
the weight of the trailer,
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the weight of the trailer tongue
and the weight on your vehicle's tires.
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