Abstract: A method to operate an electronically controlled internal combustion engine having an electronic central unit with memory a turbocharger and exhaust gas recirculation valve to determine performance characteristics of said variable geometric turbocharger.

Abstract: A method to regenerate a diesel particulate filter in an exhaust system with a fuel doser for normal and transient vehicle travel. The vehicle may be equipped with an electronically controlled compression ignition engine with an electronic control unit having memory and capable of receiving data signals from remote senor indicative of vehicle operating conditions.

Abstract: A vehicle seat for coupling to the floor of a vehicle comprising a seat back, a seat cushion, a first bracket, and a second bracket. The seat back is pivotable between at least a first position and a design position. The seat cushion is configured to be coupled to the vehicle floor. The first bracket is configured to be coupled to the vehicle floor and includes one of a keyed passage and a keyed pin configured to be received within the keyed passage. The second bracket is coupled to the seat back and includes the other one of the keyed passage and the keyed pin configured to be received within the keyed passage. The keyed passage is configured to receive the keyed pin only when the seat back is in a position the seat back will be prevented from assuming after the vehicle seat has been installed in the vehicle.