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Media Room
Release date 05/07/2010
Consumer Reports is lifting the Don't Buy: Safety Risk designation from the 2010 Lexus GX 460 SUV after recall work corrected the problem it displayed in one of CR’s emergency handling tests.
CR’s engineers originally experienced the problem in a test that used to evaluate what's called lift-off oversteer. In this test, as the vehicle is driven through a turn, the driver quickly lifts his foot off the accelerator pedal to see how the vehicle reacts. When CR’s engineers did this with the GX 460, its rear end slid out until the vehicle was almost sideways. Although the GX 460 has electronic stability control, which is designed to prevent a vehicle from sliding, the system wasn't intervening quickly enough to stop the slide. CR’s engineers consider this a safety risk because in a real-world situation this could cause a rear tire to strike a curb or slide off of the pavement, possibly causing the vehicle to roll over. Tall vehicles with a high center of gravity, such as the GX 460, heighten our concern. CR is not aware, however, of any reports of injury related to this problem.
Lexus recently duplicated the problem on its own test track and developed a software upgrade for the vehicle's ESC system that would prevent the problem from happening. Dealers received the software fix last week and began notifying GX 460 owners to bring their vehicles in for repair.
CR contacted the Lexus dealership from which we had anonymously bought the vehicle and made an appointment to have the recall work performed. The work took about an hour and a half.
Following that, CR’s engineers again put the SUV through its full series of emergency handling tests. This time, the ESC system intervened earlier and its rear did not slide out in the lift-off oversteer test. Instead, the vehicle understeered—or plowed—when it exceeded its limits of traction, which is a more common result and makes the vehicle more predictable and less likely to roll over. Overall, CR’s engineers did not experience any safety concerns with the corrected GX 460 in the magazine’s handling tests.
CR urges all affected GX 460 owners to have the recall work performed as soon as possible. Meanwhile, repaired GXs have gone back on sale.
Consumer Reports is a nonprofit membership organization that works side by side with consumers to create a fairer, safer, and healthier world. For 80 years, CR has provided evidence-based product testing and ratings, rigorous research, hard-hitting investigative journalism, public education, and steadfast policy action on behalf of consumers’ interests. Unconstrained by advertising or other commercial influences, CR has exposed landmark public health and safety issues and strives to be a catalyst for pro-consumer changes in the marketplace. From championing responsible auto safety standards, to winning food and water protections, to enhancing healthcare quality, to fighting back against predatory lenders in the financial markets, Consumer Reports has always been on the front lines, raising the voices of consumers.
© 2010 Consumer Reports. The material above is intended for legitimate news entities only; it may not be used for advertising or promotional purposes. Consumer Reports® is an expert, independent, nonprofit organization whose mission is to work side by side with consumers to create a fairer, safer, and healthier world. We accept no advertising and pay for all the products we test. We are not beholden to any commercial interest. Our income is derived from the sale of Consumer Reports® magazine, ConsumerReports.org® and our other publications and information products, services, fees, and noncommercial contributions and grants. Our Ratings and reports are intended solely for the use of our readers. Neither the Ratings nor the reports may be used in advertising or for any other commercial purpose without our prior written permission. Consumer Reports will take all steps open to it to prevent unauthorized commercial use of its content and trademarks.
Consumer Reports is a nonprofit membership organization that works side by side with consumers to create a fairer, safer, and healthier world. For 80 years, CR has provided evidence-based product testing and ratings, rigorous research, hard-hitting investigative journalism, public education, and steadfast policy action on behalf of consumers’ interests. Unconstrained by advertising or other commercial influences, CR has exposed landmark public health and safety issues and strives to be a catalyst for pro-consumer changes in the marketplace. From championing responsible auto safety standards, to winning food and water protections, to enhancing healthcare quality, to fighting back against predatory lenders in the financial markets, Consumer Reports has always been on the front lines, raising the voices of consumers.
© 2010 Consumer Reports. The material above is intended for legitimate news entities only; it may not be used for advertising or promotional purposes. Consumer Reports® is an expert, independent, nonprofit organization whose mission is to work side by side with consumers to create a fairer, safer, and healthier world. We accept no advertising and pay for all the products we test. We are not beholden to any commercial interest. Our income is derived from the sale of Consumer Reports® magazine, ConsumerReports.org® and our other publications and information products, services, fees, and noncommercial contributions and grants. Our Ratings and reports are intended solely for the use of our readers. Neither the Ratings nor the reports may be used in advertising or for any other commercial purpose without our prior written permission. Consumer Reports will take all steps open to it to prevent unauthorized commercial use of its content and trademarks.