GMC 2003 Envoy - Manual (Page 286)

If You Do Decide To PuH A Trailer
If you do, here are зогтте imporiant painls;
• There arg nnany different laws. Including speed limit
restrictions, having to do irt/ilh Irailenng^ Maite sure
your rig will be legal, ng1 only where you live
bul also where you’ll be driving. A good source for
(his infoimatlort can be state or provindaf police
• Consider using a sway conliol if your trailer wilt
weigh 4,000 ibs. (1 ei6 kg) or less, You should
always use a sway control if your frailer will weigh
more than 4,000 lbs. (T 316 kg). You can asK a
hitch dealer about sway controls.
■ Don't tow a traitor at all during ihe first 500 miles
faOD km) your new vehicle is driven. Your engine,
a^se or other parts cou3d be damagod,
• Then, during the firs! 5D0 miFgs [600 km) Thai you
tow a trailer, don't drive over 50 mph [eo km/h)
and don't make starts at full Ihrotlie. This helps your
engine and other parts of your vehicle wear in al
the heavier loads.
• Wilh an aulomatic transmisslofl, you can towi in
DRIVE (D) You may wanl lo shifl the tranemission
10 THIRD {3) or, if necessary, a lower gear
seleclion if the Iransmission shifts too often e.g.f
under heavy loads and/or hilly conditrgns.
Three important considerations have to do with weight:
• the weight of ihe trailer,
' tlie weight af the trailer tongue
• and Ihe weight on your vehide's tires
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