Transmission Controls
Detroit™ Automated Transmissions
Vehicles with automated and automatic transmissions use the multifunction control shown in Fig.. This control moves in two directions and has two switches. It is used to request manual shifts, change shift mode, set engine brake levels, and control specialty engine brake functions.
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Front View
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Shift Up/Down Requests
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Four positions for engine brake settings
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Engine Brake Symbol
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Drive/Neutral/Reverse Switch
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Shift Mode Switch (Economy/Performance/Manual)
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Gear Shift Symbol
Fig. 1, Automated/Automatic Transmission Multifunction Control
See Mode Switch for full automated transmission operating instructions.
Manual Transmissions
If equipped, a transmission range control and splitter valves are attached to the gear shift knob.
The range-preselection lever allows the selection of the low or high range for each transmission ratio. It is used once during an upshift sequence and once during a downshift sequence.
Dependent on the transmission model, some ratios can be split using the splitter-control button.
See Transmission Operation Tips for full manual transmission operating instructions.