This is an Intelligent Brake Assist (IBA) Off Indicator symbol. IBA uses lasers to identify approaching obstacles and applies the brakes accordingly. The light comes on when the IBA switch is turned off. If the light comes on while the system is on, it is either unavailable temporarily or is malfunctioning. Check that the laser sensor is clean, when it is safe to do so.
Another manufacturer calls this Autonomous Emergency Braking (AEB) but does not feature a warning light for it. Regardless, the vehicle can still be driven safely if the system is inoperable, but your dealer or authorized repair center will need to service it.
These systems are all moving in the direction of automatic braking, which all manufacturers have promised to install in all passenger vehicles by roughly 2020. There is more information on automatic braking here.
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