The phrase "braking function" refers to the ability to slow down or stop something from moving. It commonly refers to the function of brakes in vehicles that help to control their speed and bring them to a halt. Full definition
Cruise control with brake function controls the engine and brakes while setting the optimum automatic gear to maintain the speed selected by the driver. (ausmotive.com)
Notable options include adaptive air suspension, upgraded 8.4 - inch screen with integrated navigation and forward collision warning with automatic braking function. (carbuzz.com)
At the top trims, autonomous emergency braking functions kick in. (autofocus.ca)