TRW Launches Advanced Brake System for New Chevrolet Tahoe and GMC Yukon Hybrids

LIVONIA, Mich., Nov. 7 -- TRW Automotive Holdings Corp. (NYSE:TRW), the global leader in active and passive safety systems, is launching its Slip Control Boost (SCB) advanced regenerative-compatible braking system to provide full Stabilitrak functionality for the new Chevrolet Tahoe and GMC Yukon hybrid sport utility vehicle. SCB is being supplied through TRW's Kelsey-Hayes subsidiary.

The SCB system incorporates high performance stability control and brake actuation within a 12-volt system architecture and is an integral part of the hybrid Tahoe's regenerative braking system.

Regenerative braking allows a vehicle to recapture and store part of the kinetic energy that would otherwise be lost to heat when braking. This energy is used to recharge the electric batteries and save on fuel in a hybrid architecture.

The SCB system replaces traditional boosters, master cylinders and vacuum pumps with an electro-hydraulic control unit (EHCU) and brake pedal simulator unit with a twin master cylinder to supply brake pressure. This offers several advantages: (1) ease of installation with fewer components to fit; (2) improved packaging in the front dash area versus traditional vacuum boosters; (3) a decoupled brake pedal that is ideal for integration into autonomous or emergency braking systems; and (4) best-in-class NVH characteristics.

"TRW is pleased to have worked closely with the engineering teams at General Motors to develop a product that complements the Tahoe's and Yukon's regenerative braking system to help accomplish the dual goals of providing enhanced safety and improved fuel economy," said Peter Lake, executive vice president, Sales and Business Development for TRW Automotive.

About TRW

With 2006 sales of $13.1 billion, TRW Automotive ranks among the world's leading automotive suppliers. Headquartered in Livonia, Michigan, USA, the Company, through its subsidiaries, operates in 28 countries and employs approximately 63,800 people worldwide. TRW Automotive products include integrated vehicle control and driver assist systems, braking systems, steering systems, suspension systems, occupant safety systems (seat belts and airbags), electronics, engine components, fastening systems and aftermarket replacement parts and services.

All references to "TRW Automotive", "TRW" or the "Company" in this press release refer to TRW Automotive Holdings Corp. and its subsidiaries, unless otherwise indicated. TRW Automotive news is available on the internet at

CONTACT: Manley Ford, TRW Automotive, +1-734-855-2616, John Wilkerson, TRW Automotive, +1-734-855-3864, or Lynette Jackson, TRW Automotive-Europe- Asia, + 44.121.506.5315

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