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2017 Jeep Grand Cherokee Trailhawk Quick Spin

Jeep won't come out and say it, but the 2017 Grand Cherokee Trailhawk exists to bloody the nose of the Toyota 4Runner TRD Pro. America's off-road brand hasn't built a wheeling-specific version of its Grand Cherokee flagship in years, and the last GC Trailhawk was mostly stickers and tires. It was time for a true trail-spec Grand Cherokee again. We took a quick spin (two of them, actually) in the latest Trailhawk model, which joins Renegades and Cherokees with the same badge and off-road bent for 2017. Our time was limited, and so were our initial findings. After driving on and off pavement at Fiat Chrysler's proving grounds in Chelsea, Michigan, we can tell you that on the road, this Grand Cherokee has the same refined driving dynamics as any other. As for off-roading, the capability is still somewhat of an open question. Driving Notes The suspension and off-road system tuning are what really set the Trailhawk apart from other Grand Cherokees. Jeep tweaked the four-corner Quadra-Lift air suspension to improve articulation and suspension travel, while retaining the 10.8 inches of ground clearance of lesser Quadra-Lift Grand Cherokees. Paired with the standard Quadra-Drive II four-wheel-drive system, rear electronic limited-slip diff, and 20-inch Goodyear Adventure off-road tires, the Trailhawk is not short on capability (at least on paper). Unfortunately, paper is almost where this stops. The Trailhawks we drove were pre-production models with unfinished software calibrations. The throttle on the 3.6-liter V6 Trailhawk we took on the off-road course was super touchy and hard to modulate, regardless of which Selec-Terrain off-road mode was selected. Without a reliable throttle, we were bounding over obstacles instead of negotiating them patiently. This was back in June, and Jeep's PR reps assured us at the time that the engineers knew about the oversensitive throttle and have since confirmed that the issue has been fixed for production models, which are rolling off the line in Detroit now. We're planning to get into one of those vehicles as soon as one becomes available for a full review. Like the standard model, the Trailhawk's air suspension offers more comfort than the double-wishbone front and four-link rear suspension on the 4Runner.

FCA to invest $4.5B for new Detroit plant, expanded production at current facilities

We expected some shifts in manufacturing plans as Fiat Chrysler plans to begin electrifying its Jeep brand, but this news bodes well for Michigan. FCA announced today that it would spend $4.5 billion to expand production in the state, including building a new assembly plant in Detroit and increasing capacity at five other facilities in the state. The plan, which FCA says will create nearly 6,500 new jobs, will help to meet increasing demand for Ram and Jeep products, and to electrify Jeep models. $1.6 billion will be set aside to transform the Mack Avenue Engine Complex into a site to build the next generation of Jeep Grand Cherokee, as well as an unspecified, new three-row Jeep model. FCA says this part of the plan will create 3,850 new jobs. FCA is increasing its investment in the Warren Truck plant to $1.5 billion in order to continue building the Ram 1500 Classic, as well as the new Jeep Wagoneer and Grand Wagoneer, creating 1,400 new jobs. FCA says that the new Ram 1500 Heavy Duty will still be built in Saltillo, Mexico. At FCA's Jefferson North facility, the automaker will invest $900 million to upgrade the plant. This site will continue to build the Dodge Durango, as well help build the next Jeep Grand Cherokee. FCA expects this to create 1,100 new jobs. As Jeep plans to electrify models in its SUV lineup, each of the above plants will produce plug-in hybrid versions of the Jeep models produced there, "with flexibility to build fully battery-electric models in the future," the company said in its announcement. "Three years ago, FCA set a course to grow our profitability based on the strength of the Jeep and Ram brands by realigning our U.S. manufacturing operations," said FCA CEO Mike Manley, referring in part to earlier investments in Illinois, Ohio and Michigan. "Today's announcement represents the next step in that strategy," Manley continued. "It allows Jeep to enter two white space segments that offer significant margin opportunities and will enable new electrified Jeep products, including at least four plug-in hybrid vehicles and the flexibility to produce fully battery-electric vehicles." Other investments include $119 million to move production of the 3.0-, 3.2- and 3.6-liter Pentastar engines from Mack I to the Dundee Engine Plant, and $400 million for increased capacity and 80 new jobs at the Sterling and Warren stamping plants. This comes at a time when FCA's U.S.

Jeep in St. Louis hacked from Pittsburgh

One of America's most popular vehicles contains a security flaw that allows hackers to remotely commandeer it from anywhere on the planet. Cyber-security researchers Chris Valasek and Charlie Miller say they've accessed critical vehicle controls on a 2014 Jeep Cherokee that allowed them to remotely control critical vehicle functions like braking, transmission function, and steering. Automakers have downplayed the possibility a car could be remotely compromised, but the significance of the findings detailed Tuesday could cause them to reevaluate the threats posed to hundreds of thousands of vehicles already on the road. A key finding – the pair needed no physical access to the Jeep to pull off the attack. Valasek and Miller accessed the controls via a security hole in the Sprint cellular connection to Chrysler's UConnect infotainment system. In the course of their research, Valasek sat in his Pittsburgh home and remotely manipulated Miller's Jeep as he drove along a highway outside St. Louis. If you know a car's IP address, they say, a hacker could control it from anywhere. "We didn't add anything, didn't touch it," Valasek told Autoblog. "A customer could drive one of these things off a lot, and they'd have no clue it had these open attack surfaces." Remotely, he disabled brakes, turned the radio volume up, engaged windshield wipers and tampered with the transmission. Further, they could conduct surveillance on the Jeep, measuring its speed and tracking its whereabouts. They conducted the experiments over multiple breaches. They made their findings public on the same day the National Highway Traffic Safety Administration, the federal agency in charge of vehicle safety, released its latest report on the readiness of government and automakers to fend off these sorts of cyber attacks. Later today, two US Senators are expected to introduce legislation that would help consumers better understand the potential risks of car hacking. In the early stages of their research, Valasek and Miller found a security flaw in the car's wi-fi that allowed them to remotely manipulate controls from a range of about three feet. But in recent months, they found another vulnerability in the Sprint cellular connection in the UConnect system. That was a key breakthrough. "Lo and behold, we found we could communicate with this thing using cellular, and then more research, and 'Holy cow,' we're using the Sprint network to communicate with these vehicles," Valasek said.