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-speed sequential automatic transmission
Programme of Work
The control system provides automatic transmission various programs of work gearbox. Depending on the driver or the conditions of the vehicle chosen, or economical, t. E. Aimed at saving fuel program or an active program which can be called a very "athletic". Selection of the work program transmission is performed automatically, depending on the nature of the driver with the accelerator pedal. During slow or normal character with the accelerator pedal due to the early inclusion of the higher gears and the late shift to a lower gear it is possible to save fuel. The so-called "sports" program is selected the gearbox when the accelerator pedal control is carried out quite sharply. It should press the accelerator pedal is not so vigorously as to not unnecessarily move the threshold pressure on the accelerator pedal, for which there is a compulsory anticipatory including lower transmission provided in the transmission control. When "sport" mode is fully used reserves of engine power due to some delay shift to a higher gear. Depending on the resistance to movement, eg when towing a trailer or driving on the rise, such a program is selected automatically, by switching to a lower gear to provide increased traction on the drive wheels, and thereby avoid a permanent shift.
Sequential shift mode
Availability sequential shift mode (the system "tiptronic") allows the driver to shift gears manually. To go to the manual shift program is necessary to translate the selector from position "D" to the right. The transition may be implemented as the vehicle is stationary and in motion. When changing gear, the display shows the number "5, 4, 3, 2, 1". Shows when the moment transfer. Gently push the lever forward () activating the transmission up a little push back (-) - consistently down. During acceleration of the car is an automatic inclusion of the 2nd, 3rd and 4th gear shortly before reaching the maximum engine speed. If the driver is made to switch to any transfer to a lower gear, transmission control include the lower gear only when there is no danger of engine twist.
Lock selector
The selector in positions "P" and "N" when the ignition is blocked. To output selector from this position to press the brake pedal and push the button on the selector lever. Because of this there is no situation where by negligence may be included one of the gears and the car will begin to move without any control from the scene. The construction of an automatic transmission device is provided for the delay so that when moving from one position to another position through the "N" (for example, from "R" to "D") was not blocked by the selector. Because of this, it is possible "rocking" the vehicle got stuck. Only when the selector when the brake pedal is not pressed for one second to the position "N", the selector is locked. When speed above 5 km / h lock lever in position "N" is automatically turned off.
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