An active rescue-asking alarm system used in a motor vehicle is constructed to include an alarm, a plurality of sensors, and a wireless communication apparatus, and adapted to send an abnormal signal to the alarm when the sensors detect an abnormal motor vehicle condition while the motor vehicle is turned...http://www.google.de/patents/US20040204806?utm_source=gb-gplus-sharePatent US20040204806 - Active rescue-asking burglar alarm system and its method
