Salt Lake Tribune - Business: " Hazelbaker said the Escalade EXT has a standard anti-theft ignition immobilizer, which prevents the vehicle from being started without the right key, but it may not be as effective as newer systems. General Motors Corp. spokeswoman Kelly Wysocki confirmed that the Pass-lock system, which is on all current Escalades as well as 2005 models, is aging and said



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GM is considering a change soon."