Black plate (50,1)
GMC Sierra Owner Manual - 2011
9-50
Driving and Operating
Tow/Haul Mode (Allison
Transmission or Hydra-Matic
6-Speed Automatic
Transmission)
Vehicles with an Allison
Transmission or Hydra-Matic
6-Speed Automatic Transmission
have a Tow/Haul Mode. The Tow/
Haul Mode adjusts the transmission
shift pattern to reduce shift cycling,
providing increased performance,
vehicle control, and transmission
cooling when towing or hauling
heavy loads.
Turn the Tow/Haul Mode on and off
by pressing the button, located on
the end of the shift lever. When the
tow/haul is on, a light on the
instrument panel cluster will
come on.
See
Tow/Haul Mode Light on
page 5
‑
29
for more information.
Also see
“
Tow/Haul Mode
”
under
Towing Equipment on page 9
‑
107
for
more information.
Grade Braking (Allison
Transmission or Hydra-Matic
6-Speed Automatic
Transmission)
The Grade Braking shift modes can
be activated by pressing the button
on the end of the shift control lever.
While in Range Selection Mode,
Grade Braking is deactivated
allowing the driver to select a
desired range of gears.
Содержание 2011 GMC Sierra
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