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

Use brake fluid test strips or a pen tester to measure brake fluid quality, condition and color. Old or contaminated brake ...

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.

This could lead to reduced brake effectiveness, which could result in a crash. Dealers will inspect the reservoir cap and replace it, if necessary. The manufacturer has reported that owner ...