Automatic level control, Towing a trailer, Caution – Buick 2001 Park Avenue User Manual
Page 228: Towing a trailer caution

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If you put things inside your vehicle
--
like suitcases,
tools, packages, or anything else
--
they will go as fast
as the vehicle goes. If you have to stop or turn quickly,
or if there is a crash, they’ll keep going.
CAUTION:
Things you put inside your vehicle can strike and
injure people in a sudden stop or turn, or in
a crash.
D Put things in the trunk of your vehicle. In a
trunk, put them as far forward as you can.
Try to spread the weight evenly.
D Never stack heavier things, like suitcases,
inside the vehicle so that some of them are
above the tops of the seats.
D Don’t leave an unsecured child restraint in
your vehicle.
D When you carry something inside the
vehicle, secure it whenever you can.
Automatic Level Control
This feature keeps the rear of your vehicle level as
the load changes. It’s automatic
--
you don’t need to
adjust anything.
Towing a Trailer
CAUTION:
If you don’t 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.
You may also damage your vehicle; the resulting
repairs would not be covered by your warranty.
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.