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Cadillac tops Tesla in Consumer Reports semi-automated driving test

General Motors' Cadillac outscored Tesla in a new ranking of partially automated driving systems tested by Consumer Reports and released on Thursday. The highly influential nonprofit organization, which tests and rates a variety of consumer products from appliances to vehicles, said it compared Cadillac's Super Cruise and Tesla's Autopilot with similar systems from Nissan and Volvo. Nissan's ProPilot Assist was ranked third and Volvo's Pilot Assist fourth. Consumer Reports said it has been testing partially automated driving systems for several years but elected to conduct a formal study intended for publication, because "we are at a tipping point where they are now going mainstream," according to Jake Fisher, director of auto testing. The organization said its tests, conducted on a private track and on public roads in Connecticut, were designed to measure the systems' ability to automatically control steering and speed in certain situations, while helping drivers pay attention and regain manual control of the vehicle when required. CR noted that any of these systems can increase driving risk if used in inappropriate situations, or if drivers become inattentive or over-reliant on them. While they can help relieve driver stress and fatigue, Consumer Reports said, the partially automated systems are "not intended to be self-driving features." The systems typically use cameras, radar and other sensors, as well as mapping data, to monitor location and traffic conditions and help keep a vehicle centered in the lane at a safe distance behind other cars. Each system has limitations. Cadillac's Super Cruise, for instance, only functions on divided highways that have been mapped by GM. In contrast, Tesla's Autopilot can be used even on small, curvy roads with poor lane markings, but "operates erratically in those situations," Consumer Reports said.The organization tested Super Cruise on the Cadillac CT6; Autopilot on the Tesla Model 3, Model X and Model S; ProPilot Assist on the Nissan Leaf and Infiniti QX50; and Pilot Assist on the Volvo XC40 and XC60. Consumer Reports said Cadillac's Super Cruise did "the best job of balancing high-tech capabilities with ensuring the car is operated safely and the driver is paying attention." Tesla's Autopilot was cited for its capability and ease of use, while Nissan's ProPilot Assist did a better job than Autopilot or Volvo's Pilot Assist in keeping drivers engaged.

Nissan recalls nearly 20,000 NV vans over gearshift issue

Nissan is recalling 18,800 NV vans built between December 20, 2010 and January 4, 2013. Certain 2012 and 2013 models equipped with a steering-column-mounted transmission shift levers may have been built with improperly installed shift mechanisms.
If the NV's gear selector plate lock clip wasn't installed correctly, normal road vibration could result in a gear position indicator that does not match the actual gear selection. As a result, when the driver selects 'park,' the transmission could still be in gear or in neutral, and roll away. The National Highway Traffic Safety Administration says this condition greatly increased the risk of accident and injury.
Nissan will inspect the gear selector lock clip and replace the part if necessary free of charge. Owners can expect to be notified once the recall campaign begins on April 8, 2013. Read the full recall notice below for more information.

Nissan explains its preparation work with the GTR LM Nismo

There are eight races in the World Endurance Championship schedule, the third one is the 24 Hours of Le Mans. The Nissan GTR LM Nismo has been designed specifically to compete in that race, and has missed the first two races of the season in order to carry out more testing for that third one, the season objective. Plenty of folks would tell you that racing is the best form of testing, but the Nissan project is doing things so differently that we wouldn't be surprised if they said they were testing on Kilamanjaro because that's just what made more sense. In the video, Ben Bowlby - formerly of DeltaWing - and other team reps talk about how the car was designed, how the choices were made, and failing the first rollover-hoop crash test. If they can keep it running, this year's Le Mans will be even more entertaining than usual.