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There are two fundamental types of motor vehicle transmission: Manual – the driver has to perform each gear change (i.e., the driver is required to shift gears) and also has a manually operated clutch to shift between gears. Automatic – once placed in drive (or any other 'automatic' selector position), it selects the gear ratio dependent on engine speed and load automatically.
Learn about automated manual transmission, a type of gearbox that combines manual and automatic features, and its advantages and disadvantages.
A non-synchronous transmission, also called a crash gearbox, is a form of manual transmission based on gears that do not use synchronizing mechanisms. They require the driver to manually synchronize the transmission's input speed (engine RPM) and output speed (driveshaft speed). Non-synchronous transmissions are found primarily in various types ...
A sequential manual transmission, also known as a sequential gearbox, or a sequential transmission, is a type of non-synchronous manual transmission used mostly for motorcycles and racing cars. [1] It produces faster shift times than traditional synchronized manual transmissions, and restricts the driver to selecting either the next or previous gear, in a successive order.
A direct-shift gearbox ( DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear ...
On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this self-diagnostic is a requirement to comply with federal emissions standards [1] to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it was originally certified. [2]
A manual transmission ( MT ), also known as manual gearbox, standard transmission (in Canada, the United Kingdom, and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system, where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually a foot pedal for cars or a hand lever for ...
Waymo recalls more than 600 self-driving vehicles for software, map updates after one strikes a pole Updated June 13, 2024 at 6:44 PM