Level Control; Towing A Trailer - Pontiac Montana SV6 2007 Owner's Manual

Level Control

On vehicles equipped with automatic level control,
the rear of the vehicle is automatically kept level as
you load or unload your vehicle. However, you
should still not exceed the GVWR or the GAWR.
See Loading Your Vehicle on page 389.
You may hear the compressor operating when
you load or unload your vehicle, and periodically
as the system self-adjusts. This is normal. The
compressor should operate for brief periods of time.
If the sound continues for an extended period of
time, your vehicle needs service.
Using heavier suspension components to get
added durability might not change your weight
ratings. Ask your dealer to help you load
your vehicle the right way.
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Towing a Trailer

CAUTION:
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If you do not use the correct equipment
and drive properly, you can lose control
when you pull a trailer. For example, if the
trailer is too heavy, the brakes may not
work well — or even at all. You and your
passengers could be seriously injured.
Pull a trailer only if you have followed all
the steps in this section. Ask your dealer
for advice and information about towing a
trailer with your vehicle.
Notice: Pulling a trailer improperly can
damage your vehicle and result in costly
repairs that would not be covered by your
warranty. Always follow the instructions in this
section and check with your dealer for more
information about towing a trailer with
your vehicle.