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A car alarm is an electronic device installed in a vehicle in an attempt to discourage theft of the vehicle itself, its contents, or both. Car alarms work by emitting high-volume sound (often a vehicle-mounted siren, klaxon , pre-recorded verbal warning, the vehicle's own horn, or a combination of these) when the conditions necessary for ...
An automated manual transmission (AMT) is essentially a conventional manual transmission that uses automatic actuation to operate the clutch and/or shift between gears. Many early versions of these transmissions were semi-automatic in operation, such as Autostick , which automatically control only the clutch , but still require the driver's ...
Top and side view of a typical manual transmission, in this case, a Ford Toploader, used in vehicles with external floor shifters. The first car to use a manual transmission with synchromesh was the 1929 Cadillac. [5] Most North American marques had adopted synchronized manual transmissions, usually for second and high gears, by the mid-1930s.
In 1891, the French Panhard et Levassor automobile used a three-speed manual transmission and is considered to have set the template for multi-speed manual transmissions in motor vehicles. [ 3 ] [ 4 ] This transmission used a sliding-gear design without any form of speed synchronization, causing frequent grinding of the gear teeth during gear ...
The transmission control unit (TCU) in older automobiles with a clutchless manual transmission (without a clutch pedal) typically consists of an electrical switch connected to the gearshift, that is activated whenever the internal transmission control unit senses driver touching the gearshift to switch gears, which then primes a sensor or ...
A white-noise back-up beeper provides a less disruptive alert than the original pure-tone alert. A back-up beeper, also known as back-up alarm or vehicle motion alarm, is a device intended to warn passers-by of a vehicle moving in reverse. Some models produce pure tone beeps at about 1000 Hz and 97-112 decibels. [1]
Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
If the driver fails to re-certify within the time period, the car will alarm in a manner similar to setting off the car's immobilizer, but mechanically independent of it. The installation company may provide regular reports to the Department of Motor Vehicles of a driver's home state regarding its usage.