If your Subaru brake light stays on while driving, the first thing you should do is check the brake fluid level. In this guide, you will learn how to check the brake fluid on a Subaru and add brake fluid if the level is low.
What you will need
- Park your Subaru on level ground. Turn off the engine and set the parking brakes.
- Open the hood by pulling the hood release under the dashboard.
- Locate the brake fluid reservoir on the driver's side of the engine.
- 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.
How to add brake fluid Subaru
- Clean the area around the cap with a clean cloth and verify the brake fluid type printed on the cap.
- Remove the cap by turning it counter-clockwise. Add brake fluid to bring the level between the Min and Max marks.
- Do not overfill above the MAX mark. Reinstall the cap. Star the engine. Pump the brake pedal. Ensure the Brake or Park light are turned off.
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.
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