A shift level selection device comprising: a setting unit that sets a selection range in which the lowest speed shift level is a first shift level used in a set-off shift level among two or more shift levels; and a changing unit that, in accordance with the first shift level used in the set-off shift level, changes the selection range so that the lowest speed shift level is a second shift level, which is a lower speed than the first shift level.

An automatic transmission equipped with: a plurality of rotary shafts, including an output shaft for outputting driving force; a plurality of gears, including an output-side gear provided on the output shaft; a plurality of synchronization mechanisms, including an output-side synchronization mechanism for coupling the output shaft and the output-side gear; a shift position detection unit for detecting which of a plurality of shift positions, including a neutral position and a neutral position, has been selected; and a control unit for activating a synchronization mechanism other than the output-side synchronization mechanism and coupling a rotary shaft other than the output shaft and a gear other than the output-side gear when the shift position detection unit has detected the neutral position or a parking position.

Disclosed is a method for operating a multi-gear vehicle transmission having a plurality of shifting elements (A, B, C, D, E) for engaging the gears of the vehicle transmission, where, in a neutral gear an input (AN) and an output (AB) of the vehicle transmission are decoupled from one another, and where, in a driving gear the input (AN) and the output (AB) of the vehicle transmission are coupled to one another in order to propel the vehicle, by closing at least one shifting element (B). When the neutral gear is engaged, at least an actuation condition of a vehicle brake (11) and a transmission condition with elevated drag losses are detected, where, when the neutral gear is engaged, the shifting element (B) for the driving gear is vented if it is recognized that the vehicle brake (11) has been released and the transmission condition with elevated drag losses pertains.

Disclosed is a method for operating a multi-gear vehicle transmission having a plurality of shifting elements (A, B, C, D, E) for engaging the gears of the vehicle transmission, where, in a neutral gear an input (AN) and an output (AB) of the vehicle transmission are decoupled from one another, and where, in a driving gear the input (AN) and the output (AB) of the vehicle transmission are coupled to one another in order to propel the vehicle, by closing at least one shifting element (B). When the neutral gear is engaged, at least an actuation condition of a vehicle brake (11) and a transmission condition with elevated drag losses are detected, where, when the neutral gear is engaged, the shifting element (B) for the driving gear is vented if it is recognized that the vehicle brake (11) has been released and the transmission condition with elevated drag losses pertains.

A controller changes a shift line of the continuously variable transmission to a high rotation side when execution of automatic brake is detected during sailing stop which stops the engine while driving the vehicle.

A method for operating a transmission of a vehicle, where the transmission couples a drive machine of the vehicle to a driven wheel of the vehicle and has different rotational speed transmission ratios. The method determines that a special load situation prevails or will prevail at the driven wheel of the vehicle. The method determines a shift time or a shift vehicle position, at which a load on the drive machine is less than or equal to a load threshold value. The method adapts the rotational speed transmission ratio of the transmission for the special load situation at the shift time or at the shift vehicle position.

A controller changes a shift line of the continuously variable transmission to a high rotation side when execution of automatic brake is detected during sailing stop which stops the engine while driving the vehicle.

A drive system is provided with a first motor generator as a power source, and a multistage gear transmission for changing the speed of output from the first motor generator and transmitting the output to drive wheels. The multistage gear transmission has a plurality of engagement clutches as shifting elements that are meshingly engaged upon movement from a disengaged position. This hybrid vehicle is provided with a start control device where, when a start clutch has been engaged while the vehicle is stopped, the start control device maintains the engagement of the start clutch for a duration that includes when the vehicle is stopped and until the next vehicle start.

In gear-shift control apparatus and method for a vehicular transmission, a variator which is interposed between an engine and driving wheels and which is capable of modifying a gear (speed) ratio continuously; a sub transmission which is installed in series with the variator and which is capable of switching a plurality of gear-shift stages through a replacement of engagement elements; and a transmission controller which performs a gear ratio control for the variator and a gear-shift stage control for the sub transmission are installed. During a deceleration through a second speed stage of the sub transmission, when the variator is a state in which the variator is at a lowest gear (speed) ratio, a down-shift in which the sub transmission is forced to perform the gear-shift from a second speed stage to a first speed stage, with the variator maintained at the lowest gear (speed) ratio.

A method for operating a transmission device for a motor vehicle. A driving gear is selected from a quantity of driving gears and set to the transmission. At the same time, in a normal operating state, the driving gear quantity is compiled from a specific number of driving gears contained in a total quantity of the driving gears, containing all of the driving gears. The driving gear quantity is compiled as a function of at least one state variable of the motor vehicle.