Crash Avoidance
Adaptive Cruise Control
Collision Warning System
The Future

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A significant human behavior issue still in discussion is exactly how the vehicle will warn drivers of an impending problem. Automakers have actually done studies to determine which method drivers respond to best, and which actually compound the problem by frightening or distracting drivers. Testing shows that drivers prefer beeping or chiming warnings rather than voices playing recorded messages. Additionally, there is some concern that the warnings will become perceived as a nuisance and will be ignored by the driver, invalidating their potential safety benefits. Other drivers in tests have also said that they feel reluctant to give up control of their vehicle to a computer, and would rather maintain direct control of all operations themselves. Engineers and researchers have yet to determine if the systems will act automatically or if they will only issue warnings if the driver has enabled the collision avoidance system.

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