Subaru Forester Manuals 2019 Forester Owner's Manual | Page 466

460 Brake booster If the fluid level is below “MIN”, add the recommended brake fluid to “MAX”. Use only brake fluid from a sealed container. & Recommended brake fluid Refer to “Fluids” FP494. S11AO02 CAUTION Never use different brands of brake fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. 11-14. Brake booster 11-15. Brake pedal S11AQ S11AR The brake booster utilizes the vacuum produced by the engine manifold to reduce the force required to depress the brake pedal. The vacuum in the brake booster may be insufficient if the brake pedal is depressed when the engine is stopped or after the vehicle has been parked for a long period of time. It such cases, it is necessary to depress the brake pedal using greater force than usual. Check the brake pedal free play and reserve distance according to the main- tenance schedule in the “Warranty and Maintenance Booklet”.