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GMC 2002 Yukon XL - Page 268

GMC 2002 Yukon XL
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4-57
D
You can tow in DRIVE (D). You may want to shift
the transmission to THIRD (3) or, if necessary, a
lower gear selection if the transmission shifts too
often (e.g., under heavy loads and/or hilly
conditions). If you have a manual transmission and
you are towing a trailer, it’s better not to use the
highest gear. See “Tow/Haul Mode” in the Index.
Three important considerations have to do with weight:
D
the weight of the trailer,
D
the weight of the trailer tongue
D
and the weight on your vehicle’s tires.
Tow/Haul Mode
Tow/haul is a feature that assists when pulling a heavy
trailer or a large or heavy load. The purpose of the
tow/haul mode is to:
D
Reduce the frequency and improve the predictability
of transmission shifts when pulling a heavy trailer or
a large or heavy load.
D
Provide the same solid shift feel when pulling a
heavy trailer or a large or heavy load as when the
vehicle is unloaded.
D
Improve control of vehicle speed while requiring less
throttle pedal activity when pulling a heavy trailer or
a large or heavy load.
Your vehicle is equipped with a button at the end of the shift
lever which, when pressed, enables tow/haul. Your vehicle
may be equipped with Autoride
R
which further improves
your vehicle’s ride while towing. See “Autoride
R
in the
Index for more information. When the button is pressed,
a light on the instrument panel will illuminate to indicate that
tow/haul has been selected. Tow/haul may be turned off
by pressing the button again, at which time the indicator light
on the instrument panel will turn off. The vehicle will
automatically turn off tow/haul every time it is started.
Tow/haul is designed to be most effective when
the vehicle and trailer combined weight is at least
75% of the vehicle’s Gross Combined Weight Rating
(GCWR). See “Weight of the Trailer” later in this
section. Tow/haul is most useful under the following
driving conditions:
D
When pulling a heavy trailer or a large or heavy load
through rolling terrain.
D
When pulling a heavy trailer or a large or heavy load
in stop and go traffic.
D
When pulling a heavy trailer or a large or heavy load
in busy parking lots where improved low speed
control of the vehicle is desired.

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