"The NHTSA is aware of complaints received about
forward collision avoidance and is reviewing them through our risk-based
evaluation process," an NHTSA spokesperson said in a statement, which
comes on the heels of a sharp uptick in consumer complaints.
"If the data show that a risk may exist, NHTSA will act
immediately," the spokesperson said.
According to a Washington Post report on Wednesday, owner
reports of phantom braking to NHTSA rose by 215 percent to 107 complaints in
the past three months, compared with only 34 in the preceding 22 months.
"Phantom braking" refers to when the Tesla
vehicles activate the brakes unnecessarily.
Tesla said that false braking increases "the risk of a
rear-end collision from a following vehicle," adding that it is not aware
of crashes or injuries related to the matter.
The company tried to address the issue in May 2021 by
dropping a radar sensor from its partially automated driving system. In October, it recalled nearly 12,000
vehicles over a version of its Full Self-Driving beta software that caused
unnecessary braking or false collision warning.
The NHTSA has also been investigating Tesla's advanced
driver assistant system following vehicle crashes involving emergency vehicles.
The body had also probed Tesla's decision to allow games to be played on a
vehicle screen while a car is moving. Tesla later dropped the feature.
Tesla recently recalled 53,822 U.S. vehicles with the
company's Full Self-Driving Beta software that may allow some models to roll
through stop signs, posing a safety risk.
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