Multiple input warning system for a motor vehicle

Details Multiple input warning system for a motor vehicle Multiple input warning system for a motor vehicle

B - Operations, Transporting

60

R

340/49, 340/55

B60R 16/00 (2006.01) B60Q 5/00 (2006.01) B60Q 9/00 (2006.01) G07C 5/08 (2006.01)

Patent

CA 1036687

ABSTRACT OF THE DISCLOSURE Multiple input warning system for a motor vehicle utilizing a single preferably audible warning device. It is actuated when a vehicle door is open and a key is in the ig- nition switch or when the door is open and the vehicle instru- ment panel lights are energized. Also, the warning device is energized if the ignition switch is in a particular position and an undesirable vehicle condition exists, such as vehicle speed in excess of a predetermined level, excessive engine coolant temperature or exhaust emission control system failure. Indicating lamps may be provided to give a visual indication of such undesirable vehicle conditions, and the multiple input system of the invention may include means for establishing the operability of the indicating lamps, without concurrent energization of the warning device, when the ignition switch is in a particular condition. Preferably, low cost integrated circuitry is utilized in the system.

222541

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