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Cadillac XTS 'choreographed' LED lighting explained [w/video]

The introduction of LED lighting into vehicle lamp graphics has seen manufacturers strive to create their own identifiable lighting signatures. Cadillac, for example, is looking to take this one step further with the introduction of LEDs throughout the XTS, rather than just within its light clusters. Designed to greet drivers through a choreographed sequence, 20 separate light sources begin their routine once the key fob is pressed.

Porsche Muffler Man remains erect

Sure, the Porsche Experience Center, opening in LA in a little over a year, will feature a variety of exciting track configurations from road courses to a drag strip-looking thing, as well as varying surface conditions on which Porsche road cars can be flung to the delight of their occupants. But what about the muffler man? That's what most people want to know, isn't it?

Tesla Model S outselling Chevrolet Volt & Nissan LEAF

Tesla never managed to make any money out of their electric Lotus – the Tesla Roadster – but it does look like they’re on to a winner with their electric  executive saloon, the Tesla Model S. Despite moans that the headline-grabbing sub-$50k Model S was never a reality – and a starting point of $70k – the Model S looks set to outsell the two most successful ‘alternatively fuelled’ cars – the electric Nissan LEAF and the range extender Chevrolet Volt – in the first quarter of 2013. Sales of the electric Nissan LEAF, which costs from $29k in the US, in the first quarter of 2013 were 3,965 units and the Chevrolet Volt, which costs from $40k, sold 4,421 units.