acceleration

  • 2005 Toyota Prius

    Few automotive engineers believe in so-called "sudden acceleration". But until recently, there's been no way to determine what a driver what doing when he (or she) swears that he was pressing the brake pedal with all his strength even as the car accelerated. Now, that's changed. Federal investigators say the latest highly publicized incident--in which a 2005 Toyota Prius in the New York City suburb of Harrison, NY, accelerated across a street and into a stone wall on March 9--appears to be the fault of the driver. Black box: No brakes, full throttle The Event Data Recorder, or "black box," in...

  • 2008 Toyota Prius
    The Strange Saga of Sikes and His Suddenly Accelerating Prius

    As we've noted before, so-called sudden acceleration is a confusing, messy, and very uncertain subject. Now a certain San Diego citizen seems to be caught in the cross-hairs of media scrutiny over what is and isn't technically possible in a Toyota Prius--let alone smart to do--if the driver claims...

  • 2010 Toyota Prius side
    2010 Toyota Prius Reigns As Japan Sales Champ Despite Recalls

    Unlike some of its Toyota brethren, the 2010 Prius hybrid was never pulled off sale due to recalls. But U.S. sales fell 6.1% in February anyway, against the previous month, though they rose versus February 2009, when the new 2010 model hadn't yet hit dealers. Currently, the 2010 Prius is the...

  • 2008 Toyota Prius Touring
    2004-2009 Toyota Prius Recall Will Reshape Accelerator Pedal

    Owners of Toyota's iconic Prius hybrid model who thought they'd escaped the rash of Toyota recalls need to think again. The company is working on a fix to reshape accelerator pedals so that they cannot be trapped by floor mats, and will issue details within weeks. The upcoming recall took center...

  • 2010 Toyota Prius
    Toyota Prius Recall Guide: Sudden Acceleration & Brake Safety

    Everything you need to know about the recalls affecting the 2010 Toyota Prius, and the 2004-2009 Prius too

  • 2010 Toyota Prius
    RECALL: 2010 Toyota Prius, Lexus HS250h For ABS Software Update

    As expected, Toyota has announced a recall for its 2010 Toyota Prius and 2010 Lexus HS 250h models to update the anti-lock braking system (ABS) software. The new software improves the response time of the anti-lock system and alters its sensitivity to tire slippage. The update is intended to reduce...

  • 2010 Toyota Prius 5dr HB II (Natl) Angular Front Exterior View

    UPDATE: The U.S. National Highway Traffic Safety Administration has opened a formal inquiry into the brakes of the 2010 Toyota Prius hybrid. It has now received 124 complaints of faulty brakes, out of roughly 37,000 of the cars sold to date in the U.S. Toyota said it would cooperate fully with the investigation, which applies only to the 2010 model-year Toyota Prius hybrid. [Automotive News (subscription required)] +++++++ Yesterday, we reported that Japan's Department of Transportation had forced Toyota to investigate complaints about inconsistent braking behavior in its new 2010 Toyota...

  • 2010 Toyota Prius 5dr HB II (Natl) Grille
    UPDATE: Toyota Admits Braking Problems, On 2010 Prius Only

    Things are moving fast in the land of Toyota safety issues and recalls. Yesterday, we told you that the 2010 Toyota Prius was being investigated for braking problems in Japan. Today, Toyota has admitted that most 2010 Prius models (those built between the start of production last spring and late...

  • 2010 Toyota Prius
    Is Woz's Prius Acceleration Just Toyota's Wacky Adaptive Cruise?

    UPDATE, February 8, 2009: Speaking in a sort-of-webchat on Digg, Toyota president Jim Lentz said of the Woz complaint, "We are working with him on the operation of the cruise control." Please forgive us while we quietly smirk. ++++++++++ It's obviously pile-on-Toyota week. Transportation Secretary...

  • 2010 Toyota Prius
    2010 Toyota Prius Investigated In Japan For Braking Problems

    Citing allegations of braking loss or slippage, Japan's Ministry of Transportation ordered Toyota to launch an investigation into possible brake problems in the new 2010 Toyota Prius hybrid. That car, currently in short supply globally and also the best-selling car in Japan, is the subject of 14...

  • 2011 Infiniti M 37
    New Way To Save Gas: An Accelerator Pedal That Talks Back

    Next year's all-new 2011 Infiniti M series of luxury sports sedans will spawn a hybrid version, the 2012 M35 Hybrid, a year later. But even standard gasoline-engined models will offer new technology to help drivers save fuel. In this case, it's an accelerator pedal that talks back, courtesy of the...

  • Wrecked Toyota Prius owned by Elizabeth James, photo by Ted James, from Houston Press
    Most Popular Prius Posts for November: The Recalls Have It

    Ack! It's December! Wha'ppened? Well, to avoid thoughts of the holiday shopping you haven't done yet, here are the most popular posts of the past 30 days on AllAboutPrius.com, three of them returning from October's most popular posts. This month, it's all about safety and recalls. The...

  • 2010 Toyota Prius vs 2009 Toyota Prius drag race

    Which is faster, the 2010 Toyota Prius or its predecessor, the 2004-2009 Prius? On paper, the 2010 should win. Its engine is larger (1.8 liters vs 1.5 liters) and more powerful (134 total horsepower vs 104 hp). It's even got a lower coefficient of drag, the very respectable 0.25. This morning we got a note from Roman Mica, a "National Road and Driver Examiner". He set out to answer that question by staging a drag race between a new red 2010 Prius and a silver 2009 model. Before you hit Play on the video below, we should say that the drag race was pretty amusing. Rather than the roaring of...

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