Brake system warning light: what it means and what to do

What it means

• Mazda: if the light stays on with the parking brake released, brake fluid may be low or there's a brake system problem. Driving with it on is dangerous, because the brakes may not work or could fail.
• If both the brake and ABS lights are on, Mazda says to have the car towed.

What to do

1. Make sure the parking brake is fully released.
2. If the light stays on, park safely and get the brakes inspected right away. Tow if needed.

Sources

1. Mazda USA owner's manual (2018 CX-5): Warning/indicator lights (engine oil, brake system)