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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]
In the case of vehicle theft, the best deterrent to theft is in the installation of an approved vehicle anti-theft passive immobilizer. Many vehicles have factory-installed anti-theft units, which provide protection through the ignition system. Under the hood there is a computer that controls the operation of the engine.
The lock system was intended to be a stronger deterrent to vehicle theft, but constant problems were reported with the lock jamming. It was dropped after an improved dual-bit single key system was introduced for the 1995 model year and redesign.
Some vehicles will arm when the power door lock switch is pressed with the driver's door open, and the door is subsequently closed. Some vehicles will disarm if the ignition is turned on; often when the vehicle is equipped with a key-based immobilizer and an alarm, the combination of the valid key code and the ignition disarms the system.
A steering-wheel lock is a visible anti-theft device. A steering-wheel lock is a visible anti-theft device [1] [2] that immobilizes the steering wheel of a car.. Also known as a crook lock, [3] or club lock, [4] the first generation of steering-wheel locks, known as canes, [5] consisted of a lockable bar that connected the steering wheel to the brake pedal or clutch pedal.
Six people were killed in a fiery car crash in Newark, New Jersey late Friday, prosecutors announced.. A vehicle with six individuals was traveling toward the Route 1&9 southbound on-ramp, less ...
As a theft-deterrent, Allanté added GM's Pass Key (Personal Automotive Security System), using a resistor pellet within the ignition key to render the fuel system and starter inoperative if an incorrect ignition key was used. Allanté also received a new speed-sensitive damper system called Speed Dependent Damping Control, or SD²C. This ...
On May 15, GM recalled 2.7 million more cars, bringing the total number of recalled vehicles in 2014 to 12.8 million worldwide, 11.1 million of which were in the United States. [7] On June 16, 2014, GM announced they were recalling 3.4 million more cars, all of which were produced from 2000 to 2004.