Brake System Warning Light
What it means
Shown as an exclamation mark inside a circle between brackets, or the word BRAKE on some cars, usually red. It means the parking brake is still on, the brake fluid level is low, or the system has detected a brake fault. It is normal for it to glow for a few seconds at key-on; if it stays on after the parking brake is fully released, stop safely and do not keep driving.
Codes that may appear with it
The most common stored codes that may turn this light on; scan the car with an OBD reader to find the actual code.
Symptoms5
- Red light stays on even after the parking brake is fully released.
- Soft brake pedal, or a pedal that travels lower than usual.
- Noticeably weaker braking, or the car pulls to one side when braking.
- The ABS light comes on as well in some cases.
- Signs of oily fluid near the wheels or under the engine bay.
Possible causes6
- Parking brake applied or not fully released.
- Low brake fluid level due to worn brake pads or a leak.
- Leak from a brake hose, caliper or brake line.
- Faulty brake fluid level switch or parking brake switch giving a false warning.
- Fault in the electronic brake force distribution linked to the ABS.
- Failed brake master cylinder or brake booster (less common).
How to diagnose5
- First make sure the manual or electric parking brake is fully released.
- If the light stays on, stop safely and check the brake fluid level against the MIN and MAX marks on the reservoir.
- Press the pedal with the engine running: if it is soft or sinks to the floor, do not drive; call a tow truck.
- Look around the wheels and brake lines for leaks.
- At the workshop: measure pad thickness, check for leaks, read ABS codes, and test the fluid level and parking brake switches.
How to fix6
- Release the parking brake fully and adjust its cable if it does not return.
- Fix the leak, then top up with the recommended brake fluid and bleed the system.
- Replace the brake pads if the low fluid is due to pad wear.
- Replace the fluid level switch or parking brake switch if confirmed faulty.
- Repair or replace the master cylinder, booster or control unit as the tests indicate.
- Clear codes, test the brakes safely, and confirm the light is off and the pedal is firm.
Repair cost
In Saudi riyals; the highlighted part is the expected range for this fault.
In the Saudi market: SAR 80–3,000 (≈ USD 21–800)
Our prices come from the Saudi market, converted at a fixed rate (SAR 3.75 per USD). Prices in your country may differ a lot, so we show the cost level.
The cost starts with a parking brake adjustment, a fluid top-up or a switch, and reaches the upper end for a master cylinder or hydraulic parts together with pads.
Prices are rough estimates for common cars at independent workshops and vary with the car and the source of the part.
Prices last updated: September 2026
Frequently asked questions
I released the parking brake and the light is still on. Can I keep going?
No. Stop safely and check the brake fluid level. Low fluid usually means a leak or badly worn pads, and driving with weak brakes is dangerous.
Is topping up the brake fluid enough?
It is only a temporary fix. Brake fluid does not disappear on its own, so find the cause: worn pads or a leak in the system.
Why does it come on together with the ABS light?
On many cars this means electronic brake force distribution is also off, so the rear wheels may lock under hard braking. Have it checked before normal driving.
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