The main feature of the two-step rev limiter is that this device is comprised of two separate RPMs, and the rev limiter is set according to the conditions.
Both limiters are set differently, and you should have an idea about the connection between these limiters. The first one is set when the car is stationary, and it ensures the protection of the engine. The second rev limiter is the Redline that prevents engine damage.
The engine of the vehicle is the essential component which governs the performance of the vehicle.