1972 Lincoln Mark Iv on 2040-cars

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2015 Lincoln Navigator

Typically, when I approach a new vehicle launch, it's with a degree of optimism. Nowadays, we just expect that every new vehicle will pose a legitimate challenge to segment leaders. Mid-cycle refreshes, meanwhile, have taken on a greater degree of importance, as customers' preferences for the freshest vehicles remains strong and automakers rush to keep the latest tech in their offerings.
Conversely, I admit to not being terribly optimistic hopping into the 2015 Lincoln Navigator. I was the first person from Autoblog to see the new model in the metal, way back in January ahead of its Chicago Auto Show debut, and my initial reaction was far from positive. But, as I'd been the one that initially tested the new Cadillac Escalade and had just finished a week in the long-wheelbase version of General Motors' most premium SUV, I was a natural candidate to head down to Louisville, KY - home of Navigator production - to sample the brand's latest.
Lincoln's attempt at freshening the old Navigator's bling-bling face is pretty typical of today's more thorough mid-cycle refreshes, with dramatically new front and rear clips. The addition of standard 20-inch wheels or optional 22s - in place of standard 18s and optional 20s - goes a long way towards modernizing the Navigator's staid exterior. The cabin, meanwhile, is home to finer leather, which covers most of the dash as well as the steering wheel and seats. Warm Ziricote wood would prove to be a particular highlight on the top-flight Reserve model that I drove (the only trim available for us to test).

NHTSA upgrades Ford floor mat unintended acceleration probe

According to a Bloomberg report, the National Highway Traffic Safety Administration has upgraded an investigation into complaints of unintended acceleration lodged against Ford vehicles. The investigation began in June of 2010 when just three complaints had been received and it only concerned the Ford Fusion and Mercury Milan, but this was at a time when the phrase "unintended acceleration" made grown men go pale. With 49 additional complaints received since then, the investigation has been reclassified as an engineering analysis - the last phase before a recall - and it has been expanded to include the Lincoln MKZ, making for a total of "around 480,000" units affected between the three sedans from the 2008 to 2010 model years.
The ostensible cause is that floor mats are trapping the accelerator pedal, but according to a Ford statement at the time, the entrapment is due to owners placing the optional all-weather floor mats, or aftermarket floor mats, on top of the car's standard floor mats. NHTSA has backed up that assessment, pinning the blame on "unsecured or double stacked floor mats."
On the face of it, it would appear that NHTSA has upgraded the status not because of Ford's error, but owner error, and Ford has stated publicly that it is "disappointed" in NHTSA's move. On top of NHTSA still being skittish after that other unintended acceleration debacle, it could be seen to be taking its time investigating all of the variables: it's reported that Ford changed its accelerator pedal design in 2010, a "heel blocker" in the floorpan has been considered a potential culprit in how the floor mats could be trapping the pedal, some drivers have said the floor mats weren't anywhere near the pedal, and according to a report in the LA Times, in "a letter sent by Ford to NHTSA in August 2010, the automaker said it found three injuries and one fatality that 'may have resulted from the alleged defect.'"

Submit your questions for Autoblog Podcast #311 LIVE

We record Autoblog Podcast #311 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Also for episode #311, Dan, Zach and Autoblog Editor-in-Chief John Neff chatted with Dan Greenawalt, Creative Director of Turn 10 Studios, about Forza Horizon. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #311
LA Auto Show recap