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  • Start-stop system

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    This article refers to the automotive technology. For the use of start-stop systems in telecommunication, see asynchronous serial communication.In automobiles, a start-stop system or stop-start system automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby reducing fuel consumption and emissions. This is most advantageous for vehicles which spend significant amounts of time waiting at traffic lights or frequently come to a stop in traffic jams. Start-stop technology may become more common with more stringent government fuel economy and emissions regulations. This feature is present in hybrid electric vehicles, but has also appeared in vehicles which lack a hybrid electric powertrain. For non-electric vehicles fuel economy gains from this technology are typically in the range of 3-10 percent, potentially as high as 12 percent. In the United States, idling wastes approximately 3.9 billion gallons of gasoline per year. On a manual transmission vehicle, stop-start is activated as follows: Stop car and press clutch - move gear lever to neutral - release clutch - then the engine stops. The engine won't stop if the car is moving, even if the aforementioned steps are followed (note that this isn't true for all cars). The engine restarts when the clutch is pressed prior to selecting a gear to move the car. The engine may also restart if there is a demand for power from, for example, the air conditioning system. Since automobile accessories like compressors and water pumps have typically been designed to run on a serpentine belt on the engine, those systems must be redesigned to function properly when the engine is turned off. Typically, an electric motor is used to power these devices instead. This technology has also been used on Honda Motor scooters in Asian markets for the last decade. Their PCX 125cc model was released in 2010 to be sold in Europe with this technology, though their North American model does not feature it.

  • CarWings

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    Nissan CarWingsCarWings, renamed NissanConnect in 2015, and also branded as Infiniti InTouch is a vehicle telematics service offered by the Nissan Motor Company to drivers in Japan, the United States, Canada, Great Britain, and most other countries where the LEAF is sold. It provides mobile connectivity for on-demand traffic information services and internet provided maps displayed inside select Nissan vehicles. The service began in December 1997, having been installed in the 1997 Nissan Cedric, Nissan Gloria, Nissan President, Nissan Cima and the Nissan Elgrand. The subscription service replaces the need to periodically update in-car navigation systems that use CD, or DVD installed maps that must be updated with the latest information. The maps are sent by internet connections established through the vehicles TCU (telematics control unit), unlike other Nissan vehicles that use the driver's cell phone to connect to their data services.

  • Smart key

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    Nissan Intelligent Key A smart key is an electronic access and authorization system that is available either as standard equipment or as an option in several car models. It was first developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Key-less Go" in 1998 on the W220 S-Class, after the design patent was filed by Daimler-Benz on May 17, 1997.

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