Is your Subaru brake feel soft and weak because of low brake fluid? Learn how to fix the problem by checking the brake fluid level and adding brake fluid to your Subaru.

What you will need

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Subaru Brake Fluid, 12 fl oz - SOA868V9221
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Subaru Genuine Brake Fluid; 12 Fluid Ounce Bottle
  • Subaru Brake Fluid
  • Gloves

Only use the recommended Subaru brake fluid as noted on the cap of the brake fluid reservoir or the owner’s manual. Do not use brake fluid from an open container.


  1. Park the Subaru on level ground. Turn off the engine and set the parking brakes.subaru brake light on
  2. Open the hood by pulling the hood release under the dashboard.
  3. Locate the brake fluid reservoir on the driver’s side of the engine. subaru brake fluid reservoir location
  4. Determine the current brake fluid level by looking at the side of the reservoir. You should be able to see the brake fluid level, but if you can’t shine a flashlight on the reservoir.  Continue to the next step if the level is below the MIN mark. brake fluid level
  5. Clean the area around the cap with a clean cloth and verify the brake fluid type printed on the cap. subaru brake fluid reservoir location
  6. Remove the cap by turning it counterclockwise. Add brake fluid to bring the level between the MIN and MAX marks.
  7. Do not overfill above the MAX mark. Reinstall the cap. Start the engine. Pump the brake pedal. Ensure the Brake or Park light is turned off. add brake fluid to subaru impreza brake light on

If your Subaru brake light is on while driving, stop immediately and check the brake fluid level. If the brake fluid level is below the MIN mark, add brake fluid to bring the level between the Min and Max marks. Do not drive a vehicle with the brake light on. 

If your Subaru brake light stays on while driving, you should check the brake fluid level first. In this guide, you will learn how to check the brake fluid on a Subaru and add brake fluid if the level is low.

We hope you find the Subaru Check & Add Brake Fluid guide helpful. Check these troubleshooting and repair guides for more help on your Subaru.

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