10
Operation
Drive Mode (Auto Mode)
•
Selects Drive (D) mode and a forward gear position.
Note:
If the vehicle service brake is not depressed prior to selecting Drive
(D) mode using the transmission driver interface device, the request will be
denied. If the request was denied, select Neutral (N) mode, depress and
hold the vehicle service brake and re-select.
•
The transmission system automatically selects a forward start gear
based on vehicle operating conditions such as: grade, load, and vehicle
weight. Refer to
“Smart Gear Selection” on page 20.
-
The driver may manually select a specific forward start gear using
the transmission driver interface device to Upshift or Downshift
to the desired gear. Refer to OEM transmission driver interface
device instructions.
•
The transmission system automatically selects and engages the appro-
priate gears based on vehicle operating conditions.
-
The driver may request a gear shift while driving using the trans-
mission driver interface device to Upshift or Downshift to a
desired gear when the transmission system is near a shift point.
Multiple gear Upshifts and Downshifts may be allowed, each
Upshift/Downshift request equals one gear change.
Note:
The transmission system may automatically override or prevent the
driver’s Upshift or Downshift request on the transmission driver interface
device or automatically initiate a gear change based on vehicle operating
conditions. Refer to
“Transmission MANUAL / LOW Mode Override” on
Note:
Normal Drive mode is the recommended mode for optimal vehicle
performance.
CAUTION:
Do not depress and hold the vehicle accelerator pedal and ser-
vice brake pedal at the same time during a vehicle launch (two-footing).
Two-footing during a vehicle launch may cause the vehicle and cab to rock
and bounce resulting in component damage, property damage and/or per-
sonal injury.
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