Patent ID: 7032697

Claim:
A vehicle drive control system comprising: a primary driving system having a first power source for providing torque to a first set of one or more wheels of a vehicle; an auxiliary driving system having a second power source for providing torque to a second set of one or more wheels of the vehicle wherein the auxiliary driving system is configured to apply torque to the second set of one or more wheels of the vehicle to arrest downhill movement of the vehicle wherein torque is delivered to the first set of one or more wheels from the first power source via a manual transmission having at least a first gear and a reverse gear; and an operator controllable switch operable to control activation of the auxiliary driving system wherein when the operator controllable switch is turned on and the transmission of the primary driving system is in neutral gear the operator can direct the auxiliary driving system to provide drive torque to the second set of one or more wheels of the vehicle to propel the vehicle.