Special gearchange programme
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Special gearchange programme
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The special gearchange programme is selected automatically depending on the load on the engine. This function exists in both the normal and sport programmes.
The shifts occur at higher engine rpm and the gear is engaged for longer if the control module senses that the load does not decrease. These shifting programmes are in place to avoid unnecessary up and downshifting, for example, when driving on long uphill stretches with a trailer as well as to prevent overheating of the transmission fluid.
The special gearchange programmes are not activated at speeds over 150 km/h. If a special gearchange programme is active when the speed increases to over 150 km/h the programme is retained until the control module senses that a more appropriate change pattern can be activated.
The special gearchange programme is disconnected if:
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The winter programme is selected.
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The ignition key is turned to the OFF position.
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The loading reduces to such an extent that a special gear changing programme is no longer needed.
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CHECK GEARBOX lamp lights up.
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