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Electronic Range Select Mode
Electronic Range Selector (ERS) mode allows you to
choose the top-gear limit of the vehicle’s transmission
and the vehicle’s speed while driving down hill or towing
a trailer.
To use this feature, do the following:
1. Move the shift lever to LOW (L).
2. Press the plus/minus
button located on the
shift lever, to increase
or decrease the
gear range available
based upon your
current driving
conditions and needs.
When you shift from DRIVE (D) to LOW (L), the
transmission will shift to a pre-determined lower gear
range. The highest gear available for this pre-determined
range is displayed next to the L in the DIC. See
Driver Information Center (DIC) on page 3-54 and DIC
Operation and Displays (With DIC Buttons) on
page 3-54 or DIC Operation and Displays (Without DIC
Buttons) on page 3-60 for more information. The
number displayed in the DIC is the highest gear that the
transmission will be allowed to operate in. However,
your vehicle can automatically shift to lower gears
as required by various driving conditions. This means
that all gears below that number are available. For
example, when FOURTH (4) is shown next to the L,
FIRST (1) through FOURTH (4) gears are automatically
shifted by the vehicle. You cannot shift into FIFTH (5)
until the plus (+) button is used or you shift back
into DRIVE (D) mode.
While in LOW (L), the transmission will prevent shifting
to a lower gear range if the engine speed is too high
for the gear range you are trying to select. You have a
brief period of time to slow the vehicle speed. If
vehicle speed is not reduced within the timeframe
allowed, the lower gear range attempted will not be
available. The highest possible gear that is allowed for
that engine speed will display next to the L in the
DIC. Try again to slow the vehicle speed and press the
minus (−) button to the desired lower gear range.
Automatic Engine Grade braking is not available when
the ERS is active. It is available in DRIVE (D) for
both normal and Tow/Haul mode. While using the ERS,
cruise control and the tow/haul mode can be used.
See Tow/Haul Mode on page 2-33 for more information.
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