Audi Q5   Controls   adaptive cruise control (ACC)  Audi braking guard
braking guard brake jolt
This driver message appears when the brakes are dabbed due to an acute warning.
braking guard off
This driver message appears when the system is switched off via the sound system or the MMI*. The message also appears briefly after you begin driving if the system is switched off.
The message will also appear if the system is unavailable due to an error or if you switch the ESP off Link. In this state, the system no longer warns you about an impending collision.