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Alfa Romeo Selespeed system |
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SYSTEM OPERATION - SEMIAUTOMATIC "MAN" OPERATION |
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In "manual"
mode, which is available every time the car is started, the display
on the panel indicates the gear engaged. In this operating mode the
decision to change the gear ratio depends on the driver who decides
when it is the best moment to engage it (unless in conditions of
engine over speed/under speed .
The requests to change gear take place through:
The "manual" operating mode is set: |
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Control lever and City button |
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During the gear change it is not necessary to release the
accelerator pedal because the Sele-speed system, through the engine
control unit, asks to: • reduce then increase the engine torque • adjust the engine rotation speed to the new ratio engaged in the gearbox. When shifting down the gear, the so-called "double clutching" is executed automatically ( acceleration of the engine to bring it to the required speed) with the new gear ratio. The command to set to idling (N) is accepted so long as the car does not exceed 40 Km/h, with the foot on the brake. With the accelerator pedal pressed down over 60% of its stroke, and engine speed over 5500 RPM, the gear change is faster.
In the "manual" mode there are some automatisms/
safety devices that facilitate the driving . NOTE: It is best to wait until a gear shift has terminated before asking for another, to avoid multiple requests in quick succession. |