GMC 2003 Savana - Manual (Page 230)

if You Do Decide To Pull A Trailer
l( you do, heie are some imporlani poinli:
■ There aie mariy different laws, including speid hmft
reslriciions, having lo 6o with trailering. Make sure
your rig will b& legal, not only where you live
but also where you'll be driving. A good source for
this iniormatiorr can be stale or provincial police.
• Consictei using a sway conirol if your trailer will
weigh 4,000 lbs [1 800 kg) or less. You should
always use a sway control if your traiCar will weigh
more than 4,000 lt>& (1 600 kg), You can ash a
hitch dealer about &way controls.
• DonH tow a trailer at atl during the first 500 miles
(600 km) your new vehicle is driven. Your engine,
axte or other parts coufd be damaged.
■ Then, during the first 500 miFea {600 km) that you
tow a traifer^ don't drive over 50 mph (80 km/h)
and don't make starts at full Ihrottie. This helps your
engine and other parts of your vehicle wear In at
the heavier loads.
• You can tow in DRIVE (D)I You may want lo shift
the Iransmis&ion to THIRD (3) or, if necessary, a
lower gear sel action rf Ihe transmission shifts
too ohen {e.g., under heavy loads and/or hiliy
conditions).
Three important considerations have to do with weight:
• the weighi of the trailer,
• the weight ol the 1 rallar tongue
• and Ihe weighi on your vehicle's tires.
Tûw/Haul Mode
Tow/haul is a feature that assists when pulling e heavy
trailer or a large or heavy load. The purpose of Ihe
tow/haul mode is to:
■ Reduce Ihe hequency and Improve the predictability
of [fansiTiission shifts when pulling a heavy trailer or
a large or heavy load-
• Provide the same solid shift feel when pulling a
heavy trailer or a large or heavy load as when
Ihe vehicle Is unloaded.
■ improve control ol vehicle speed while requiring
iess ihrotlie pedai activity when pulling a heavy
trailer or
a large or heavy load.
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