I believe that everyone also knows that the service brake generally refers to the foot brake, which is used to control the vehicle speed, decelerate driving and parking or emergency parking. I believe that everyone also knows that the service brake generally refers to the foot brake, which is used to control the vehicle speed, decelerate driving and parking or emergency parking. I believe that everyone also knows that the service brake generally refers to the foot brake, which is used to control the vehicle speed, "I believe that everyone also knows that the service brake generally refers to the foot brake, and the function of the foot brake is to control the vehicle speed. I believe that everyone also knows that the service brake generally refers to the foot brake, and the function of the foot brake is to control the vehicle speed. I believe that everyone also knows that the service brake generally refers to the foot brake,", The function of the foot brake is to control vehicle speed, slow down driving and parking or emergency parking. I believe everyone knows that the service brake generally refers to the foot brake, and the function of the foot brake is to control vehicle speed, slow down driving and parking or emergency parking.