Nissan's Active Engine Brake is a technology that adjusts the amount of engine braking depending on driving conditions. The system monitors vehicle speed along with steering and braking inputs. When the brakes are applied the system automatically adjusts the ratio of the continuously variable transmission (or CVT) to add a small amount of engine braking to assist the brakes and decrease the time and effort required to slow the vehicle down. Additionally, the Active Engine Brake system can adjust the CVT ratio to help the car brake more smoothly. The system also adds engine braking when cornering if the vehicle is going faster than the target speed for the specific steering trajectory, helping reduce the number of necessary driver inputs.
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