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Car Hacking 101: Here's what motorists should know [w/video]

Cars are nothing more than computers on wheels. As such, they're vulnerable to hackers. Most people who work within the auto industry have understood this for years, but for the broader American public not paying as close attention, three storylines emerged recently that underscored this new vehicular reality. First, German researchers found a flaw in BMWs remote-services system that allowed them to access the telematics units in vehicles. Then, a 60 Minutes report demonstrated that researchers could remotely infiltrate a Chevy Impala and override critical functions, like acceleration and braking. Finally, a US Senator released a critical report (see video above) that found almost all automakers are unprepared to handle real-time hacks of their vehicles. Those reports come on the heels of two previous instances in recent months when researchers demonstrated the capability to hack cars. All this news can be disconcerting. If you're late to the concept of car-hacking and wondering how this is possible, we've got you covered. Here's your quick primer on what you need to know. 1. How Did My Car Become A Computer? On the outside, cars haven't changed all that much over the past couple of decades years. On the inside, however, the amount of electronics and software has dramatically increased. Most new cars contain more than 50 microprocessors known as electronic control units. These ECUs control everything from airbag deployment and navigation systems to throttle control and braking, and they're usually connected to each other on an internal network called the CAN bus. 2. What Exactly Is Car Hacking? Depends who you ask. Automakers might consider anything that alters the car from its state of manufacture as a 'hack.' For example, if you're chipping the engine – re-calibrating those ECUs to increase your horsepower – some people might consider that a hack. But in the context of the recent news reports, security experts are focused on unwanted, unauthorized cyber intrusions into a vehicle. Once inside your car, prospective attacks could range from minor things like eavesdropping on conversations via an infotainment system and unlocking car doors to major concerns, like overriding driver inputs and controlling braking, steering and acceleration. 3. How Is This All Possible? Any part of the car that communicates with the outside world, either via a remote or direct connection, is a potential entry point for hackers.

BMW M5 spied as camouflage striptease continues

The facelifted BMW M5's striptease continues. The latest spy images of the super sedan show even more headlight and taillight details, on top of more overt signs of this car's character. Our first spy photos of the M5 showed a car with production 5 Series wheels and tiny quad exhaust pipes. The next set got sportier black wheels. But the latest shots depict a machine that gets the current M5 Competition Package's black wheels along with BMW M's trademark blue calipers, just like the current car. It also ditches the camouflage on the pillars, roof rails, and rear windows. Beyond those changes, stripping away some of the camouflage has shown modest tweaks. We're finally getting a good look at the updated, squared-off LED running lamps and the tweaked front fascia. Updates are even more minor in back. But there may be something more drastic at play with the taillights. Studying these shots, we can't really see any detailing in the rear lamps. There's a similar thing going on between the normal LEDs on the BMW M4 and the OLED units in the new M4 GTS. Backing up this speculation is a single shot of one of the rear turn signals illuminated. It doesn't look quite like the current car's signal, but we can't be certain. It's possible that the shots and the camouflage might be playing tricks on our eyes. And since this is the first time we've seen the updated M5 with production taillights, there's no real basis for comparison. Still, BMW's tantalizing new OLED tech is sure to proliferate beyond the M4 GTS. We just can't yet be certain if it's coming to the next M5. Related Video:

Xcar rates AWD vs. FWD vs. RWD

With snow and ice blanketing large swathes of the United States over the past few weeks, commuting hasn't been easy. Among some drivers, there's an ongoing debate about how much all-wheel drive really helps when it gets slippery and whether rear-drive is as bad in slick conditions as many people think. Xcar Films puts some of those beliefs to the test in its latest video by showing off three very different cars taking on a trio of low-grip challenges. Xcar's picks for the test include the fairly plebeian, all-wheel drive Subaru Impreza, the somewhat plush, rear-drive BMW 120d and the sporty, front-drive Renault Megane RS 275 Trophy. Things start out easy with a hydraulic plate forcing the back end out on a wet skid pad. From there, the tests get really interesting with a slalom on simulated ice, and the cars finish with a high-speed cornering challenge through a soaked turn. While an obvious winner emerges in the end, keep in mind this is hardly a scientific test of grip. For better accuracy, all three vehicles should be wearing identical tires, and the same driver should be behind the wheel of each one. Still, Xcar's examination is a fun chance to see how vehicles react when things get slick. News Source: Xcar Films via YouTube BMW Subaru Renault Driving Safety Videos xcar renault megane xcar films renault megane rs