When l start my Lexus SC400 and put it in reverse the engine cuts out why go anywhere need to drive get out?

The SC400 is known for this behavior; it is part of its safety protocol. When the brake/parking brake is released while the vehicle is parked in gear without depressing the clutch, the engine stalls, preventing the car from driving forward or backward at a higher torque, which could be dangerous if there is an obstacle behind the vehicle, so as an emergency safety maneuver the Lexus stalls or turns the engine off.