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Cadillac CT6 PHEV battery shape a big departure for GM's plug-in hybrid tech

Anyone with any familiarity with the electric powertrain details for the two General Motors plug-in hybrids will have noticed that the information we have about the newly announced Cadillac CT6 plug-in hybrid has a lot of numbers in common with the Chevy Volt and the Cadillac ELR, like the 18.4-kWh lithium-ion battery pack and an expected all-electric range of 37 miles. We also noticed that the announcement calls the plug-in CT6 hybrid an actual plug-in hybrid and not an "extended range electric vehicle (EREV)," which is what GM calls the Volt and the ELR. This, of course, means we needed to ask GM some questions. Donny Nordlicht from Cadillac communications told AutoblogGreen that while the Volt and CT6 batteries are both 18.4-kWh, the shape is completely different. In the Volt/ELR, the battery is T-shaped (see it here). The CT6 has four seats, with a tunnel running between the two in the rear, as you can see here, but the battery in the CT6 PHEV is "a cube-shaped pack, which is between rear seats and the trunk," Nordlicht said. "There is no pass through." GM has not yet released any technical schematics about this pack, but Nordlicht said that, "The CT6's advanced mixed-material platform was designed to accommodate the PHEV system by design so that it minimally intrudes on the cabin space." It also means that the CT6 can be ordered as an optional PHEV, while the Volt and ELR were purpose-built plug-ins. GM is also distinguishing between the EREV and PHEV powertrains in its vehicles from this point forward. "We are not discarding the EREV language," Nordlicht said. "The CT6 utilizes a two-motor system mated to a 2.0T 4-cylinder engine, which is an all-new system to Cadillac." We assume that the PHEV packs will use li-ion cells from LG Chem, just like the EREVs do, but Nordlicht did not answer our question on that point. As for other details about the CT6 PHEV – like production, full dimension, and pricing – we will just have to wait until closer to when the vehicle launches for those. Related Video:

Man trapped in Cadillac XLR for 14 hours after battery dies

A 75-year old Cleveland man ended up trapped in his 2006 Cadillac XLR for 14 hours last month, according to a story reported by the Detroit Free Press. The owner of the car, Peter Pyros, hopped into his roadster to back out onto his driveway, but he quickly learned that the battery was dead. He was "trapped" because the doors use an electric button to activate the door latch to open the door. Since the battery was dead, the buttons did nothing. Now, GM planned for an eventuality like this by placing a manual door release handle on the ground next to the seat. It's marked with a red diagram of the driver-side door opening. There's also a section about it in the owner's manual. The only problem here, was that Pyros says he didn't know the release was there, and he didn't have his owner's manual in the car. Because of this, Pyros may not have made it out alive if not for a neighbor coming to his rescue. "I came to the conclusion that I was going to die ... I was at peace with it. I asked God to help me twice, then I said, 'OK, God if this is the way I'm supposed to die, I will die,'" Pyros said to reporters. There's every chance he could have died in the car, too. Temperatures in Cleveland hit 77 degrees the day he was in the car, and he said it was unbearably hot and difficult to breathe after only 30 minutes sealed inside. Pyros reportedly tried yelling, pounding on and even trying to break the car's windows without success. At one point, Pyros wrote a note to his nephew explaining what happened if he ended up dying. What eventually saved him was a curious neighbor who came to investigate after he noticed his garage door was still open late at night. His neighbor called the police after he found him in the car, and emergency personnel actually ended up charging his car's battery up enough to get the electric door release to work. Of course, after everything settled down, there are now lawyers involved. They're going after GM, with an argument accusing the automaker of not making the emergency latch more obvious both in the car and in the owner's manual. GM doesn't appear to be having any of it. Here's its statement on the matter: "Because this varies by make and model, drivers should review the door lock section of their owner's manual, and follow up with their dealer or customer assistance center if they have any questions," GM spokesman Tom Wilkinson wrote to the Free Press. This type of door release isn't particularly uncommon for GM vehicles.

Akerson says Cadillac will get a larger sedan within two years

It seems that during a recent affair showing off the 2014 Cadillac CTS, General Motors CEO Dan Akerson confirmed reports regarding a new Cadillac flagship sedan. According to USA Today, which Akerson was visiting, he said that a sedan larger than the XTS would debut within the next two years.
This matches up with what we heard earlier in the month about a Cadillac model that will go up against the BMW 7 Series and Mercedes-Benz S-Class (not a pricier, low-volume sedan also discussed in that article). But this is the first time a high-profile executive name has been attributed to such a report, and the first time a broad timeframe has been mentioned. This article adds that the unnamed car will be rear-, and all-wheel drive with a platform "loosely based" on the new CTS, with styling closer to that car than recent Cadillac concept vehicles. The XTS will continue production of course, as well.