Cars User Interface

The cars are equipped with commands used for driving, passenger comfort and safety, normally managed by a combination of the use of the feet and hands, and sometimes the voice on the cars of the era 2000. These controls include a steering wheel , pedals for the brakes, and control the speed of the machine (and, to a manual transmission car, a clutch pedal), a shift lever or sticks change speed and a series of buttons and knobs to turn on the lights, ventilation, and other functions . Orders modern cars are now standardized as the throttle position and brake, but it was not always so. The controls are evolving in response to new technologies, such as power and integration of mobile communications drive.

Since the first invention of the machine, the controls became less and easy through automation. For example, all cars have had a manual controls time for the air valve, clutch, the ignition timing and a crank, instead of a starter motor. However, new controls have been added to vehicles, making it more complex. Examples include air conditioning, navigation systems and car entertainment. Another trend is the replacement of physical buttons and switches for secondary controls with touch-screen controls such as the iDrive of BMW and Ford MyFord Touch. Another change is that while the first cars with pedals were physically connected to the brake and accelerator, in the 2010s, cars are increasingly replaced the physical connections with electronic controls.

The cars are usually equipped with different types of lights. These include the headlights, which are used to illuminate the way forward and make the car visible to other users, so that the vehicle can be used during the night; In some jurisdictions, daytime running lights; red brake lights to indicate when you apply the brakes; amber direction indicators to signal the driver rotation intentions; The white color reversing to illuminate the area behind the car (and indicates that the driver or back); And on some vehicles, additional lights (eg position lights) to improve the visibility of the car. interior lights on the car ceiling are usually adapted to the driver and passengers. Some vehicles also have a light box and, rarely, engine compartment light.

In the United States, “1975-1980, the average weight [of the machine] fell from 1842 to 1464 kg (4,060 to 3,228 lb), probably in response to the increase in gas prices” and new energy efficiency standards. The average new car weighed 1461 kg (3221 lb) in 1987, but 1818 kg (4009 lb) in 2010, thanks to modern steel safety cage, anti-lock brakes, airbags and more powerful engines, if more effective. “The heavy machines are safer for the driver, from the perspective of accidents, but more dangerous to other vehicles and road users. The weight of a car affects fuel economy and performance, with more weight with a consequent increase in fuel consumption and reduction of performance. the SmartFortwo, a small city car, weighs 750 to 795 kg (1,655 to 1.755 lb). heavier cars are the cars of standard size, and long-term SUV SUV, as the suburbs.

According to a study by Julian Allwood of the University of Cambridge, the world energy consumption could be significantly reduced by using the car lighter, and an average weight of 500 kg (1100 lb) was said to be well achievable. In some competitions such as the Shell Eco Marathon, it means weight of 45 kg (99 lb) were also obtained. These machines are only car (always in the definition of a machine, even if the cars in 4 places are more common), they do show the reduction in the weight of the car and consumption Until consumption of 2560 km / l).

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