Transmission Controls
Detroit™ Automated Transmissions
Note: See Direction Switch in the Automated and Automatic Transmissions chapter for automated transmission operating instructions.
Vehicles with automated and automatic transmissions use the multifunction control shown in Fig. Automated/Automatic Transmission Multifunction Control. 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.
Automated/Automatic Transmission Multifunction Control
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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
Manual Transmissions
Note: See General Information in the Manual Transmissions and Clutch chapter for manual transmission operating instructions.
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.