A low brake fluid level can trigger the brake light to come on. Because the brake system is completely sealed, brake fluid should remain close to full, however, some fluid loss is normal. If a significant amount of fluid is missing, have your vehicle inspected right away.

What happens if your brake fluid is low?

Soft, Bouncy, or Spongy Brake Pedal

Low brake fluid will cause air to fill the gaps in your brake line—leading to soft brakes. Spongy brake pedals can be both terrifying and dangerous—especially if you do not get them serviced at the first sign of an issue.

What causes a brake warning light to come on?

This light is to alert you to potential issues with either your ABS (Anti-Lock Braking System) or your normal service brake system. Additionally, you may see this light if the brake fluid levels are low for either the master cylinder reservoir or the ABS reservoir.

What do you do when your brake fluid light comes on?

  • Park your car in a safe place.
  • Check your brake fluid level.
  • Whilst parked, press firmly down on your brake pedal.
  • Check under the car for any pools of yellowish fluid.
  • Check that your handbrake is fully released.
  • Related Question Will brake light come on if brake fluid is low?

    How long can I drive with the brake light on?

    There's many factors that determine how long brake pads last after the warning light comes on, but there's a rough estimate of around 1000 miles (1600 km) of driving where efficient braking will be maintained.

    Why does brake light come on and off while driving?

    A red light that flashes on and off could signal low/almost empty brake fluid, but also a serious issue with the brake's hydraulic system. If the light comes on and stays on, you could end up with a potentially catastrophic (and costly) brake failure.

    Can Low brake fluid cause the check engine light to come on?

    Can brakes cause a check engine light? The brakes in a car do have the potential to cause the check engine light to switch on. This is due to a failing brake system, which can be caused by a variety of factors, from low levels of brake fluid to worn down brake pads and even incorrect use of the vehicle as a whole.

    Is Low brake fluid serious?

    If level is low, add brake fluid to "full" line. IMPORTANT: A drop in brake fluid typically indicates that your brake pads have worn to the point of needing maintenance. Be sure to have your brakes checked by a professional. CAUTION: DO NOT USE BRAKE FLUID OTHER THAN THE SPECIFIC TYPE RECOMMENDED FOR YOUR VEHICLE.

    What does it mean when brake pedal goes to floor?

    One of the most common reasons for your brakes touching the floor would be an issue with your brake fluid. Your fluid being low or air reaching the brake line will prevent the fluid from flowing properly, resulting in a spongy pedal. A bad brake booster is another common cause for a malfunctioning pedal.

    What lights come on when brake fluid is low?

    Brake warning light illuminates – Most vehicles are equipped with brake sensors in the brake system that communicate with the car's internal computer to alert the driver to any potential troubles. A low brake fluid level can trigger the brake light to come on.

    What does brake light look like?

    The brake system light, typically a red or yellow circle symbol with the letter “P” or an exclamation mark “!” in the center, illuminates in the event that your vehicle's parking brake is engaged.

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