Recommended grade: Volvo Original or similar fluid that meets a combination of Dot 4, 5.1 and ISO 4925 class 6.
Note
Changing or filling brake fluid should be entrusted to an authorized Volvo workshop.
Brake fluid specifications
The medium in the hydraulic brake system is called brake fluid and is used to transfer pressure from e.g. a brake pedal via a master brake cylinder, which in turn actuates the brake calipers.