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The smart key allows the driver to keep the key fob pocketed when unlocking, locking and starting the vehicle. The key is identified via one of several antennas in the car's bodywork and an ISM band radio pulse generator in the key housing. Depending on the system, the vehicle is automatically unlocked when a button or sensor on the door handle ...
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To prevent this, the key fob does not use the same unlock code each time but a rolling code system; it contains a pseudorandom number generator which transmits a different code each use. [9] The car's receiver has another pseudorandom number generator synchronized to the fob to recognise the code.
A connected car is a car that can communicate bidirectionally with other systems outside of the car. [1] [2] This connectivity can be used to provide services to passengers (such as music, identification of local businesses, and navigation) or to support or enhance self-driving functionality (such as coordination with other cars, receiving software updates, or integration into a ride hailing ...
Used car prices have hit historic highs due to a shortage of new vehicles since the beginning of the COVID-19 pandemic. So, it's more important than ever for buyers to make sure their money is ...
A bait car, also called a decoy car, hot car, or trap car, is a vehicle used by law enforcement agencies to capture car thieves or thieves who steal items from cars. [1] The vehicles are modified with audio/video surveillance technology, and can be remotely monitored and controlled. Those set up to catch car thieves may include GPS tracking.
Thieves use a radio relay system to amplify the signal from a key inside someone's home so that they can break into the car in the driveway. While there are multiple ways of opening a car with a ...
The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbuel and patented in 1919. [2] They developed a 3x3 grid of double-contact switches on a panel mounted inside the car so when the ignition switch was activated, current from the battery (or magneto) went to the spark plugs allowing the engine to start, or immobilizing the vehicle and sounding the horn. [3]