Patent ID: 6822559
Filing Date: 2004-11-23
Classification: B60R

Abstract:
A security system for a motor vehicle having an engine, comprising:at least one status sensor for sensing a status variable of the motor vehicle, said status sensor being selected from the group consisting of a transmission sensor sensing a gearshift setting of a manual or automatic transmission, a clutch sensor sensing a setting of a clutch pedal of the motor vehicle, a brake sensor sensing a setting of a parking brake of the motor vehicle, and a velocity sensor, a security device for disabling or enabling use of the motor vehicle; and a control unit having an input connected to said sensor and an output connected to said security device, said control unit disabling an activation of said security device in dependence on the status variable, to prevent an incorrect operation of the motor vehicle, said control unit having a logic circuit not only blocking said security device from being activated, in dependence on the status variable, but also activating said security device in dependence on the status variable, independently of a user intervention.