DRIVING - Features engine overspeed in Drive, MANUAL and LOW modes. Auto Neutral The transmission system will automatically shift to neutral if the vehicle is left in Drive and the parking brakes are set. “AN” will appear in the gear display. The driver must then select the desired forward or reverse mode with the service brake applied. transmission system may not downshift into lower gears. This allows the transmission to coast to a stop. Shuttle Shifting Shuttle shifting from Reverse to any forward mode is only allowed if the vehicle speed is approximately zero. 2 Cruise Control This transmission system is compatible with cruise control.
Intelligent Start Gear Selection Intelligent Start Gear Selection will automatically select the start gear depending on inputs such as load, grade and axle/transmission ratio. The start gear selection can be changed using the up/downshift request, however, if the selection requested could cause damage or engine lugging the request will be denied and an audible tone will sound. Neutral Coast Mode Neutral Coast Mode allows the transmission to disengage the driveline by pulling out of gear on slight downhill grades, where little to no engine power is required, when the vehicle is in cruise control and the transmission is in Drive mode.
When Neutral Coast Mode is active, the engine will drop to idle speed and the transmission will disengage. The gear display may flash a gear number or indicate Neutral when Neutral Coast Mode is active, depending upon specific OEM implementation. If a flashing number is indicated in the gear display, this represents the gear that the transmission will Load Based Shifting The transmission system will adapt to the conditions of the vehicle to change the shift points based on the followings inputs:
Vehicle grade Engine RPM Accelerator pedal position Vehicle load After changing loads or powering up the transmission system needs to relearn these inputs for the first few shifts to make the proper adjustments. Skip Shifting The Automated Transmission will shift multiple gears at one time (skip shift) with moderate to high accelerator pedal input while in Drive mode, up to 8th gear. Coast Mode When coasting to a stop, in Drive mode, on level terrain the Y53-1272-1B1 (08/17) 23