Delphi's Autoride(TM) Helps Make General Motors Vehicles 'Safe & Secure'

TROY, Mich., Aug. 25, 2004 -- Consumers in the market for a new SUV from General Motors will experience superior ride quality and handling performance when they purchase a 2005 Tahoe, Suburban, Yukon or Yukon XL equipped with the Safe & Secure package (RPO - PDY). This package includes StabiliTrak, four side-impact air bags and Delphi Corp.'s Autoride ride control system.

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  Autoride Benefits

Autoride is a fully automatic ride control system that continually adjusts the damping level on each of the four individual shock absorbers to provide superior ride quality and handling performance. Autoride's "tow/haul" mode helps improve vehicle body control while towing and hauling by offering increased levels of damping. Also included with Autoride is automatic rear level control, an air suspension system that helps keep the vehicle level over a wide range of passenger and loading conditions while also maintaining rear ride travel.

Autoride Operation

Autoride uses an electronic control module (ECM) to continuously monitor brake, throttle and steering inputs as well as vehicle body and wheel motions.

Using this data, the ECM can maintain optimum ride quality by separately and electronically adjusting the hydraulic fluid flow through the valuing discs in the shock absorbers. This results in enhanced body control motion and a pleasing, refined and well-isolated ride.

"The global controlled suspension market is estimated to grow 10 percent over the next six years, but Delphi estimates nearly a 15 percent CAGR (Compounded Annual Growth Rate) during that timeframe," said Guy C. Hachey, president, Delphi Energy & Chassis. "Delphi has become a dominant player in the controlled suspension market and we look forward to future growth with innovations such as Autoride, MagneRide(TM) (controlled damping) and Active Stabilizer Bar System (roll control)."

Delphi's Autoride comes standard on the GMC Yukon Denali and Yukon XL Denali. The product is also standard on the Cadillac Escalade, Escalade EXT and Escalade ESV where it is known as Road Sensing Suspension.

For more information about Delphi, visit http://www.delphi.com/media .

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