2003 Chevrolet Astro Owner's Manual - Page 208

2003 Chevrolet Astro Manual

Page 208 highlights

Tow/Haul Mode The tow/haul mode is a feature that assists when pulling a heavy trailer. The purpose of the tow/haul mode is: e The tow/haul mode for hauling a heavy trailer is most useful under the following conditions: When driving through hilly terrain at speeds below 55 mph (88 km/h). When driving in low speed or stop and go traffic below 55 mph (88 km/h). When driving in parking lots. Operating in the tow/haul mode when not pulling a heavy trailer will not cause damage to the vehicle, but you may experience reduced fuel economy and undesirable petformance from the engine and transmission. The tow/haul mode should be used only when pulling a heavy trailer. to reduce the frequency of shifts when pulling a heavy trailer. to provide the same shift feel when pulling a heavy trailer as when the vehicle is unloaded. to reduce the need to change throttle position when pulling a heavy trailer. This feature is turned on or off by pressing a button on the column shift lever. When the feature is on, a light on the instrument panel will illuminate to indicate that the tow/haul mode has been selected. See Tow/Haul Mode Light on page 3-36. The tow/haul mode is automatically turned off each time the vehicle is started. The tow/haul mode is most effective when the vehicle and trailer combined weight is at least 75% of the Gross Vehicle Weight Rating (GVWR) and the maximum trailer weight rating for the vehicle. Weight of the Trailer How heavy can a trailer safely be? It depends on how you plan to use your rig.For example, speed, altitude, road grades, outsidetemperature and how much your vehicle is used to pull a trailer are all important. And, it can also depend on any special equipment that you have on your vehicle. 4-33

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Tow/Haul
Mode
The
tow/haul
mode
is
a feature that assists when pulling
a
heavy
trailer.
The
purpose
of the tow/haul
mode
is:
e
to
reduce
the
frequency of shifts when pulling
a
heavy
trailer.
to
provide
the
same shift feel when pulling a
heavy
trailer
as
when
the vehicle is unloaded.
to
reduce the need to change throttle position when
pulling a
heavy
trailer.
This
feature is turned on
or
off by pressing a button on
the
column
shift
lever.
When the feature
is
on,
a
light
on
the
instrument panel will illuminate to indicate
that
the
tow/haul
mode has been selected.
See
Tow/Haul
Mode
Light
on
page
3-36.
The tow/haul
mode is automatically turned
off
each time the vehicle
is started.
The
tow/haul
mode is most
effective
when the vehicle
and
trailer
combined
weight is at least
75%
of the Gross
Vehicle
Weight
Rating (GVWR) and the maximum
trailer
weight rating for
the vehicle.
The tow/haul mode for hauling a heavy trailer is most
useful under the following conditions:
When driving through hilly terrain at speeds below
55 mph
(88
km/h).
When driving in low speed or
stop and go traffic
below
55
mph
(88
km/h).
When driving in parking lots.
Operating in the tow/haul mode when not pulling a
heavy trailer will not cause damage to the vehicle,
but you may experience reduced fuel economy
and undesirable petformance from the engine and
transmission. The tow/haul mode should be used only
when pulling a
heavy trailer.
Weight
of
the
Trailer
How heavy can a trailer safely be?
It depends on how you plan to use
your
rig. For example,
speed, altitude, road grades,
outside temperature and
how much your vehicle is used to pull a trailer are all
important. And, it can also depend on any special
equipment that you have on your vehicle.
4-33