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Automatic activation of warning signal upon occurrence of unsafe condition detected by tire pressure monitoring system

  • US 9,738,123 B2
  • Filed: 08/14/2015
  • Issued: 08/22/2017
  • Est. Priority Date: 08/14/2015
  • Status: Active Grant
First Claim
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1. A vehicle warning system, the vehicle having tires and hazard lights, the system comprising:

  • a tire pressure monitoring device disposed in each tire of the vehicle, each tire pressure monitoring device being constructed and arranged to obtain information regarding pressure within the associated tire and to communicate the tire pressure information in a wireless manner,a receiver constructed and arranged to receive the communicated tire pressure information from each tire pressure monitoring device,a processor circuit, associated with the receiver, constructed and arranged to determine if the communicated tire pressure information from at least one of the tire pressure monitoring devices is significantly less than a tire pressure determined to be safe for vehicle operation and, if so, to generate a warning signal, anda body control module constructed and arranged, upon receiving the warning signal to automatically activate the hazard lights without driver input, andwherein the body control module is constructed and arranged, without driver input, to automatically cause flashing of headlights of the vehicle, simultaneously with activation of the hazard lights.

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