4-wheel antilock, 4-wheel disc brakes  Impala® surrounds you
with comprehensive safety features, such as 4-wheel antilock
disc brakes. Antilock brakes help you to maximize braking and
maintain control, by rapidly adjusting brake pressure, if
necessary, to reduce the chance of wheel slip. The system also
includes Dynamic Brake Proportioning to maximize the
effectiveness between the front and rear brakes, and Traction
Control to enhance vehicle launch and acceleration on slippery
surfaces.