> This achieves the same effect as leaving a manual gearbox in gear This is not true. In a manual car, you’re still relying on the engine. In an automatic veh

> This achieves the same effect as leaving a manual gearbox in gear This is not true. In a manual car, you’re still relying on the engine. In an automatic vehicle, it’s essentially a latch that drops into place. A well designed one should actually tighten as the vehicle attempts to roll while in park. It seems these are failing to engage or simply failing entirely.