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Speed wobble (also known as shimmy, tank-slapper, [1] or death wobble) is a rapid side-to-side shaking of a vehicle's wheel(s) that occurs at high speeds and can lead to loss of control. It presents as a quick (4–10 Hz) oscillation of primarily the steerable wheel(s), and is caused by a combination of factors, including initial disturbances ...
The first major cause of unintended acceleration was found in March 2007, when an engineering analysis showed that unsecured all-weather mats had led to pedal entrapment and drivers accelerating up to 90 mph (140 km/h) with decreased braking power.
An onboard sensor detects pedestrians and issues a visual alert on the dashboard immediately in front of the driver if the system determines that there is a risk of collision. If the likelihood of a collision increases, the system issues an audio and visual alarm to encourage the driver to take evasive action, and the increased pre-collision ...
In February 2010, National Public Radio obtained the full NHTSA database of 15,000 unintended acceleration complaints over the past decade, and determined that among all manufacturers, Volkswagen had the highest rate of unintended acceleration complaints in 2009 and 2008 (11.5 and 21.6 per 100,000 vehicles respectively), while Suzuki had the ...
When the car goes into the limp-home-mode it is because the accelerator, engine control computer and the throttle are not connecting to each other in which they can function together. The engine control computer shuts down the signal to the throttle position motor and a set of springs in the throttle set it to a fast idle, fast enough to get ...
Larger models with two front discs use a dual CBS System. The system was first installed by Moto Guzzi in 1975. [50] Here, applied brake pressure at the front is also applied to the rear wheel and vice versa. If the front lever is applied, the pressure is built up at 4 of the 6 pots in the 2 calipers at the front.
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Motion sensors monitoring the vehicle's interior are installed in some higher end models. The simplest aftermarket alarms are one-piece units with a siren and control module. The most common type of sensor is a shock sensor and two wires (12-volt constant power and ground) which are connected to the car's battery.