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Jaguar Activity Key | 2017 Autoblog Technology of the Year Finalist

In principle, the Jaguar Activity Key is a good idea. It's simple, useful, and relatively inexpensive. Unfortunately, in our testing it was less than reliable. Here's how it's supposed to work: To lock the car, leave your keys and fobs inside the vehicle, and strap the band on your wrist. Then, within 30 seconds, place your banded wrist against the letter J of the Jaguar script on the back tailgate. When you come back, you can unlock the vehicle by pressing the tailgate opening button, then, again within 30 seconds, placing the Activity Key band against the J of the Jaguar script. We chose the Jaguar Activity Key as a finalist for our 2017 Tech of the Year award because it's an uncomplicated device with lots of potential customers. Jaguar says the wristband is "robust and fully waterproof." Swimmers, surfers, kayakers, hikers, and even couples out for a sunny-day picnic could use a feature like this wristband key. Plus, wearables are pretty new as a category in general, and even more so in the automotive space. We didn't go skydiving with it or anything (an activity Jaguar cites as a potential usage case), but we did dunk it in water with no ill effects. While it all sounds good in theory, actually getting the Activity Key to work effectively was unexpectedly difficult, especially when the cameras were rolling. We tried varying the timing between closing the door and using the wristband, as well as between using the tailgate button and the wristband. It worked about half the time, regardless of our process or who was wearing the wristband. Whether our issues with the wristband were due to interference, new-technology teething problems, or just electrical gremlins, the idea of purposely locking the keys inside an automobile without having a foolproof way to unlock it gives us reason to pause. The Activity Key is a $400 standalone option on the 2017 Jaguar F-Pace, but only on Prestige, R-Sport and S models. The least expensive F-Pace with Activity Key costs $51,095.

Jaguar XJ220 leaps into Jay Leno's Garage

Having sadly canceled the C-X75 project and sat out today's hybrid hypercar race, it would be all too easy to forget about Jaguar as a supercar manufacturer altogether. But back in the early '90s, the British automaker didn't just play in the supercar game – it dominated it. The XJ220 was, for a time, the fastest car in the world. Jay Leno pays tribute in this latest video. Originally envisioned with a V12 engine and all-wheel drive, the XJ220 ultimately surfaced with a 3.5-liter twin-turbo V6 driving the rear wheels alone. None of that kept it from eclipsing the top speed achieved by every supercar that came before with a terminal velocity that didn't quite reach the 220 miles per hour initially promised, but came pretty darn close. The disappointment in the change of specification lead some to dismiss the XJ220 as a failure, but it was still the fastest thing on the road until another British supercar (in the form of the McLaren F1) took its place at the pinnacle of automotive bragging rights. Two decades later, Jaguar quite nearly drove down the same road when its initial plans for the C-X75 changed from an experimental turbine powertrain to a multi-charged inline-four. Only this time the Leaping Cat marque didn't put it into production at all, save for a few prototypes and movie props – which is a bit of a shame, and then some. Watching Jay speed down memory lane in the supercar that almost never was, we're glad that Jaguar still built the XJ220, and saddened that it never followed up with another groundbreaking supercar today. Related Video:

Jaguar's V8-powered XE looks to take aim at the BMW M3

It seems that Jaguar's littlest sedan is about to get one of the company's biggest engines. One of our spy photographers caught the company testing a disguised XE. While most people's first instincts would be to dissect the car, our photographer paid some extra attention to the number plate, and looked up the car's registration. He says the registration reveals that this little car is packing a 5.0-liter V8. The only sort of 5.0-liter V8 Jaguar makes is supercharged and makes 550 horsepower or more. So what we're probably looking at is a future 550-horsepower XE R. On the car itself, there appear to be larger intake vents on each side of the front bumper, likely for cooling off a much bigger, hotter engine. And of course a more aggressive appearance. The V8 theory is further backed up by the quad-tip exhaust that clearly needs more development. Aside from these changes, this XE looks pretty similar to the sportier models in the current range. It has the same side skirts as the XE R-Sport and XE S. It also uses the same wheels as the XE S. We can safely say that at least the wheels will be different when the V8 model reaches production. As for when that will be, we'd say don't expect to see a revealed production model for at least a year, and possibly more, since there appears to be a decent amount of development left to do. Related Video: