What Causes the Brake Light to Stay On After Locking the Car?

1 Answers
LaValeria
07/29/25 6:01pm
Reasons are as follows: 1. The brake pads need replacement; if you drive without releasing the handbrake, the light will also stay on. 2. Insufficient brake fluid, which plays a crucial role in the car's braking system. When the driver presses the brake pedal, the force applied is transmitted by the piston in the master cylinder through the brake fluid to the wheel cylinders at each wheel, causing the brake pads to contact the wheels and stop the vehicle. 3. The tail light bulb is damaged. The brake fluid reservoir has upper and lower lines; if the fluid level is below the lower line, the sensor next to the reservoir will detect this and reflect it through the brake light on the dashboard. If the brake fluid level drops rapidly, it indicates a leak in the braking system.
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