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IIHS updates overlap test: 2 SUVs get good marks, 9 fare poorly

Vehicles in crashes keep occupants safe by deforming around the cabin in a way that maintains cabin integrity. The Insurance Institute for Highway Safety's moderate overlap test, introduced in 1995, has been a huge contributor to improved safety for front-row passengers in a crash. IIHS President David Harkey said, "Thanks to automakers’ improvements, drivers in most vehicles are nearly 50% less likely to be killed in a frontal crash today than they were 25 years ago." In the 'unintentional side effects' column, crash safety has gotten worse for passengers in the back seats. When carmakers reengineered the front crash structure to protect the driver, more crash forces got distributed throughout the rear. IIHS research claims rear passengers have a 46% greater risk of fatal injury than front-row passengers, but back-seaters haven't benefited from the same upgrades in safety as the front row. The IIHS updated its moderate overlap test to address the issue, putting 15 vehicles through the new regime. Two earned good ratings — the 2023 Ford Escape and the 2021-2023 Volvo XC40 — one was acceptable, three were marginal and nine were rated poor. Every one of the crossovers sampled got good marks for all passengers in the original test. That test sees 40% of vehicle's width on the driver's side impacting an aluminum honeycomb barrier at 40 miles per hour. The updated test puts a crash dummy representing small woman or 12-year-old child in the seat behind the driver, the dummy's sensors and grease paint measuring the effectiveness of the restraints and the forces a human body would need to endure. To achieve a good rating, the "measurements must not exceed limits indicating excessive risk of injury to the head, neck, chest, abdomen or thigh." An institute engineer said, "In real-world crashes, chest injuries are the most common serious rear-seat injuries for adults." The sensors and video evidence showed back seat dummies in the Escape and XC40 endured minimal risk of injuries from excessive crash forces, from submarining under the seat belt, or from unwanted interaction with the side curtain airbag.   The Toyota RAV4 scored acceptable. The second-row dummy also endured minimal risk of injury to the chest and lower extremities. However, the lap belt slipped upward in a way that could increase abdominal injuries, and after the dummy's head dipped during crash impact, the head came back up between the rear curtain airbag and rear window.

Question of the Day: Worst year of the Malaise Era?

The Malaise Era for cars in the United States spanned the 1973 through 1983 model years, and featured such abominations as a Corvette with just 205 horsepower (from the optional engine!) and MGBs with suspensions jacked way up to meet new headlight-height requirements. There were many low points throughout this gloomy period, of course. The horrifyingly low power and fuel-economy numbers for big V8s during the middle years of the Malaise Era make a strong case for 1974 or 1975— the years of Nixon's resignation and the Fall of Saigon, respectively— as the most Malaisey years. But then the GM-pummeling debacles of the Chevy Citation and Cadillac Cimarron could make an early-1980s year the low point. 1979, the year of the ignominious Chrysler bailout? You choose! Related Video:

Ford announces fix for 2021 Expedition and Lincoln Navigator fires

In the middle of May, Ford announced a recall of around 39,000 Ford Expeditions and Lincoln Navigators from the 2021 model year due to fires starting under the hoods of the SUVs. At the time, Ford had received 16 incident reports, 14 of them happening with rental vehicles. The automaker cautioned owners to park their vehicles outside and away from structures while engineers figured out what was happening and how to fix the problem. Since that May announcement, five more fires have been reported, four of them rental vehicles, and there's been one burn injury. The company announced it understands the problem and has a fix, at the same time widening the scope of potentially affected vehicles. Instead of recalling 39,013 units built between December 1, 2020, and April 30, 2021, the recall now includes 66,221 vehicles assembled from July 27, 2020, to Aug. 31, 2021. The suspected culprit is a circuit board provided by a supplier that changed manufacturing location during the pandemic. Ford's press release on the matter stated that "circuit boards produced at this facility are uniquely susceptible to a high-current short." The affected vehicles are fitted with either an 800-watt or 700-watt cooling fan system. About a third of the recalled population are fitted with the former, and should get a quick fix at the dealer. On these SUVs, techs will inspect the battery junction box. If they find evidence of melting, they'll replace the whole box. If not, they'll simply remove the engine fan ground wire that runs to the battery junction box; since this ground relay is redundant, the change doesn't alter operation of the fans.  Owners with the 700-watt system might need to wait until September for a fix. These vehicles need an auxiliary relay box with a wire jumper, but the parts aren't available now.   Ford's notifying all owners via the FordPass app, and will follow up with owners of the 700-watt cooling system once the parts are in stock. Until their vehicles are fixed, Ford says the SUVs are safe to drive but that they should still be parked outside and away from structures. The somewhat mixed messaging — 'Yes, your cars are safe to drive, but they could catch fire so don't park them near anything flammable' — encouraged a group of owners to file suit against Ford. Owners with questions can contact Ford customer service at 866-436-7332 and reference recall No. 22S36.