Weight Of The Trailer Tongue; Total Weight On Your Vehicle's Tires - Pontiac 2004 Vibe Owner's Manual

Weight of the Trailer Tongue

The tongue load (A) of any trailer is an important weight
to measure because it affects the total or gross weight
of your vehicle. The Gross Vehicle Weight (GVW)
includes the curb weight of the vehicle, any cargo you
may carry in it, and the people who will be riding in
the vehicle. And if you tow a trailer, you must add the
tongue load to the GVW because your vehicle will
be carrying that weight, too. See Loading Your Vehicle
on page 4-32 for more information about your
vehicle's maximum load capacity.
4-36
If you're using a weight-carrying hitch or a
weight-distributing hitch, the trailer tongue (A)
should weigh 10–15 percent of the total loaded
trailer weight (B).
After you have loaded your trailer, weigh the trailer and
then the tongue, separately, to see if the weights are
proper. If they are not, you may be able to get them right
simply by moving some items around in the trailer.

Total Weight on Your Vehicle's Tires

Be sure your vehicle's tires are inflated to the upper limit
for cold tires. You'll find these numbers on the
Tire-Loading Information label located in the glovebox.
See Loading Your Vehicle on page 4-32 . Then be
sure you do not go over the GVW limit for your vehicle,
including the weight of the trailer tongue.