: Uses internal vanes to pull air through the disc, reducing heat buildup during heavy braking.
It’s possible this refers to:
Especially after refueling, as excess vapors may flood the intake. Renault Df491
Depending on your context, the "interesting features" vary from advanced cooling technology to diagnostic safety protocols. 🛠️ Braking Technology (The Trusting DF491) : Uses internal vanes to pull air through