Patent ID: 8827025

Claim:
A motor vehicle having a multimode traction system, the vehicle comprising: a pair of rear wheels and a pair of steerable front wheels; a propulsion unit for generating torque to drive the wheels; a control unit that includes programming therein for operating the propulsion unit; a rear differential operatively connected with a rear drive train and supplying torque from the propulsion unit to the rear wheels, the rear differential including a lock for locking the rear differential; a front differential operatively connected within a front drive train and selectively supplying torque from the propulsion unit to the front wheels, the front differential including a lock for locking the front differential; an ignition switch electrically coupled to the control unit, the ignition switch having a first position and a second position, the ignition switch causing a first signal to be sent to the control unit when the ignition switch is moved from the second position to the first position, the ignition switch causing a second signal to be sent to the control unit when the ignition switch is moved from the first position to the second position, and wherein the control unit responding to receiving the first signal by emitting signals to cause unlocking of both the front and rear differentials.