China's BYD Debuts Lexus RX-Inspired S6DM Dual-Mode Hybrid at Detroit Motor Show

Chinese automaker BYD marked its fourth consecutive appearance at the North American International Auto Show with the world premiere of the S6DM hybrid, with the DM in the name standing for "Dual-Mode".

The gasoline-electric hybrid is based on the Chinese firm's S6, a mid-size SUV model first introduced at the Shanghai Auto Show in 2009. And no, you're not the only one to find the overall styling of the S6 reminiscent of the previous generation Lexus RX.

The Warren Buffett-backed battery and car maker claims the S6DM is "the world’s first independent 4WD dual-mode electric SUV". Under the hood, the Chinese model is equipped with a 2.0-liter four-cylinder gasoline engine and three electric motors. Two 10-kilowatt electric motors drive the front wheels while a more potent 75 kilowatt motor powers the rear wheels. A six six-speed dual clutch transmission handles power transfer.

Despite the "Dual-Mode" moniker, BYD says the system offers three driving modes including electric only, hybrid gasoline-electric and gasoline engine only. In detail, here's how the Chinese automaker describes each mode:

THREE DRIVING MODES

Fully electric (BEV) mode: At normal speeds, the vehicle can operate in its all-electric mode, with the electric motor (M2) propelling the rear wheels.

Hybrid gasoline-electric (HEV):

1. 2WD: The gasoline engine not only directly powers the vehicle, but also drives the electric motor (M1) at the front wheels to charge the battery pack.

2. 4WD: When more power is needed, the gas engine and the electric motor (M2) power the vehicle together. If the combined power is enough, the gasoline engine will also drive the electric motor (M1) to charge the battery pack. As speed increases, the gasoline engine can take over seamlessly with support from the 6-speed DCT; when braking, the gas engine automatically shuts down and the electric motor (M2) takes over.

3. 2WD: When battery power is low and not much driving power is required, the gasoline engine drives the electric motor (M1) to charge the battery pack and the electric motor (M2) powers the vehicle by itself.

Gasoline powered: When driving on the highway or in case the battery pack is depleted, the gasoline engine can power the vehicle on its own very efficiently.

According to BYD, the S6DM can travel over 38 miles (60km) purely on electric power (BEV) and over 500km (310 miles) combined when engaging the gasoline engine.

BYD said that the S6DM is amongst the models being considering for the U.S market. At the Detroit show, the company's Chairman, Wang Chuanfu, pushed back the brand's U.S. launch to the first quarter of 2012.

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Lexus UK Winters-up RX 450h with New SE-I Special Edition

A new special edition model has been added to the UK range of the Lexus RX450h hybrid crossover. Named the SE-I, the new model sports a host of accessories said to be suited for those "who love the great outdoors" - always according to Lexus.

On the outside the so-called Lifestyle model adds roof rails and a rear bumper protect, plus front and rear under-run plates. Interior features of the package include a tough boot liner, claimed to be designed to cope with muddy boots, and a warm / cold storage box.

Lexus says that if these features were to specified individually, it would cost buyers up to £1,500, but brought together for the new RX 450h SE-I Lifestyle they add just £499 to the on-the-road price of the crossover for a total of £48,899.

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New Toyota Recall, this time for Toyota Avalon and Highlander, and Lexus GS300, IS250, and IS350

Toyota has announced a voluntary recall of some 740,000 vehicles in the United States to address a potential leak problem with a seal in the brake master cylinder. The models that are being recalled in the U.S. are the 2005-2006MY Toyota Avalon, 2004-2006MY Highlander (non Hybrid) and Lexus RX330, and 2006 Lexus GS300, IS250, and IS350. Another 600,898 vehicles were recalled in Japan and approximately 200,000 in China for the same issue.

According to the company, there's a possibility that a small amount of the brake fluid could slowly leak from the brake master cylinder, resulting in illumination of the brake warning lamp.

"If the brake warning lamp has illuminated and the vehicle continues to be operated without refilling the master cylinder brake fluid reservoir, the driver will begin to notice a spongy or soft brake pedal feel and braking performance may gradually decline," said the automaker.

Toyota said it will begin notifying owners of the involved vehicles through mail beginning in early November 2010. As with all recalls, Toyota and Lexus dealers will replace the brake master cylinder cup with a newly designed free of charge.

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Lexus RX Specs

The Lexus RX 450h, which went on sale in mid-2009, is equipped with a 3.5-liter 2GR-FXE V6 engine, now running on the Atkinson cycle, which produces 245 hp; by incorporating a more powerful inverter and electric motors, total horsepower reaches 295 hp. Two additional systems are added to the RX 450h's Lexus Hybrid Drive powertrain, an exhaust-heat recovery system to reduce engine warm-up periods (optimizing engine start-stop times), and a water-cooled Exhaust Gas Recirculation (EGR) system to reduce engine pumping losses. A new ECO mode helps the driver improve fuel economy by controlling air conditioning and throttle inputs, while a driver selectable EV drive mode allows for electric-only propulsion at low speeds. Visually, the RX 450h receives a unique grille with modified front fascia, blue-tinted headlamps and tail lamps, hybrid badging, different wheels, and optional LED headlamps. In the US market the RX 450h went on sale in early June 2009.

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