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How to fix a $4,000 hybrid battery problem with vinegar and baking soda

This is one of those 'Don't try this at home if you don't know what you're doing' DIY tales. Two weeks after imgur user "scoodidabop" bought a used Toyota Camry Hybrid with no warranty, he got the Christmas Tree dash display with warnings like "Check VSC System," "Check Hybrid System," and the Check Engine light. After some Internet sleuthing he figured it could be a faulty brake actuator, assuming the hybrid system warning was a false alarm. But it wasn't the actuator, it was the battery, a Toyota dealer telling him that his battery had "gone bad," and he'd need $4,457 to replace it. Then he had a brainstorm: it could be one of the cells that's gone bad, not the whole battery. Scoodidabop has some experience as an electrician, so he figured he could test it and replace any bad cells for about $45 apiece. He removed the battery unit from the trunk and over the course of two hours tested all 68 cells four times. He found nothing wrong. So he devised another type of test and checked every cell again. He couldn't find a problem with any of them. Turns out the problem wasn't in the cells, but with the dirty and corroded copper connectors at the ends of the high-voltage cables. He pulled the 34 connectors and their steel nuts, soaked them in vinegar, gave them a light steel wool scrub, soaked them in baking soda and water to counteract the vinegar, applied an anticorrosive and reinstalled them. That took an hour. When he replaced the battery, the warning lights had all gone out and the battery worked perfectly. Skill level: experience. Cost: less than $10. Perhaps it's time for hybrids to be able to test their own cells individually. Dealers, too.

Xcar tours Toyota's Secret Racing Collection

Toyota Motorsport GmbH has dabbled in just about every form of motorsport you could think of. The Japanese automaker's European racing division has made its mark in Formula One, Le Mans, rally, hillclimbing... it's even made some road-going prototypes. And Xcar managed to gain access to its inner sanctum. As a result of all its various racing activities, the German facility has an enviable collection of racing machinery, housed in a hall underneath one of its wind tunnels. We couldn't even begin to wrap our heads around the sheer amount of money that's been poured into all these racers and prototypes, or how much they'd be worth on the open market today if Toyota ever had to liquidate its unsurpassed collection. But you can scope them all out in the artfully shot and expertly narrated video above.

Toyota plans biggest stock buyback in over a decade

At the end of December, 2013 Toyota had a cash stockpile of 1.8 trillion yen ($17.5B US). As of March 31, at the end of its current financial year, company coffers are expected to swallow another 1.9 trillion yen ($18.4B US) in net profit - said to be a record sum for the Japanese automaker. In a gesture signaling a turnaround from the horrors of the global recession, Bloomberg reports that Toyota will buy back 60 million shares of its stock, as much as 1.89 percent of the company, for something like 360 billion yen ($3.5B US). It's the first buyback since 2009 and the largest buyback since 2003, when it spent roughly 390 billion yen ($3.8B US) repurchasing shares.
Company president Akio Toyoda founded the Toyota Mobility Foundation (TMF), a non-profit that will support international groups working on transportation issues in emerging markets. Half of the stock that Toyota buys, 30 million shares, will be sold to the foundation via the Japanese Trustee Services Bank for one yen per share, the dividend providing the foundation's initial funding. The other 30 million shares will be canceled, a company spokesman telling Reuters that the company wants to reward shareholders.
Industry analysts have been asking Toyota to either return money to shareholders or invest in new factories, but Toyota has ruled out the latter. After getting burned with excess capacity when the financial crisis came, the company is focused on extracting efficiencies from the plants it already has. Toyota has said it plans to complete the buyback by June of this year.