The Italian marque issued a recall before to fix the issue, with two major accidents highlighting the severity of the defect.

Seven customers filed a lawsuit against Ferrari, accusing the carmaker of failing to address an ongoing brake issue ...

Air in the brake system can make your brake pedal feel spongy and vague. You should flush the fluid every two or three years, ...

but like brake calipers, sometimes it can spring leaks or otherwise fail, and it must be rebuilt or replaced. The master cylinder is topped by the brake-fluid reservoir, which must be kept full.