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GM to reprogram some oil-life monitors

This story originally appeared on Automotive News General Motors is warning owners of almost 800,000 2010-12 vehicles that they may need oil changes more frequently than the onboard oil monitoring systems are telling them. After high warranty claims on several models with four-cylinder engines, GM will reprogram software to make oil change warning lights go on sooner. The change only affects 2010-2012 Chevrolet Equinox, GMC Terrain and Buick LaCrosse and Regal models with 2.4-liter LAF and LEA four-cylinder engines.

Sonoma Historic Motorsports Festival is full

Steve Earle, the granddaddy of vintage racing in America, has picked 375 historic race cars to fill the field at his Sonoma Historic Motorsports Festival, June 5-6 at Infineon Raceway in California's wine country. "The cars are the stars," said Earle. "And when they aren't racing, they are easily accessible in this area for the fans for that up-close and personal experience of inspecting engines, talking with owners or otherwise learning more about the sport and the restoration and maintenance of vintage cars." Earle said the event will continue the tradition of the Monterey Historic Automobile Races, which he founded 37 years ago.

One Lap of the Web: Diesels, Deadmau5, Excalibur and Excelsior!

-- It's the 50th anniversary of Excalibur, the company with fine craftsmen who keep the neoclassical motoring dream alive, or in some vaguely zombielike semblance thereof. And while the Excalibur's retro vibes arose from the mausoleum of the Mercedes-Benz SSK, Hemmings has discovered Brooks Stevens's other neoclassic: the Excalibur 35X, meant to look like a Bugatti Type 35. Just 27 were built in Italy on the chassis of Opel Commodores, fitted with inline-sixes.