2022 Disabling the Engine Brake Programming - Altima The engine brake system causes the engine to hold back shifts below 80, and the car brakes on its own. After the programming, the car will be more comfortable without jerking, especially in narrow streets and traffic, and you won’t have to press the gas pedal every time. The programming is safe for the car, and you can re-enable the engine brake option again. Mecca Contact: WhatsApp / ( Phone number appears when clicking the contact button )