General Motors (GM) has recalled more than 500,000 Chevrolet Camaro cars, mostly in North America, after finding a fault with the ignition system.
通用汽车召回50多万辆科迈罗，其中大部分分布于北美地区，因为发现该车型的点火系统存在问题。
The car manufacturer said a driver's knee could bump the key fob and turn it out of the "run" position, causing a loss of power.
GM said the fault had led to three crashes, causing four "minor" injuries.
In March, GM recalled 2.6 million small cars because of a faulty ignition switch linked to 13 deaths.
In May, the company was fined $35m for failing to address different defects which have been linked to 13 deaths.
GM has recalled more than 13 million cars in the US this year - more than the carmaker sold in 2013.
In addition to the Camaro recall, GM also announced it was recalling 28,789 Saab 9-3 convertibles（活动折叠车篷） from the 2004-2011 because of concerns over front seat belt failures and 21,567 Chevrolet Sonic cars from 2012, because of concerns over a transmission fault.
The carmaker is also recalling 14,765 of its 2014 Buicks, because of fears over an electrical wiring fault.
Previous recalls have involved possible faulty seat belts, transmissions and air bags, as well as potential fire issues.
"The Camaro ignition system meets all GM engineering specifications and is unrelated to the ignition system used in Chevrolet Cobalts and other small cars included in the ignition switch recall," GM said in a statement.
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