Review Of Battery And Brake Light On References. Web when both the brake light and battery light are on, it indicates that there might be simultaneous issues with your braking system and your vehicle’s electrical charging system. And canada will cost it almost $9.

Can you drive with the brake and battery lights on? When this warning sign is seen, it might be difficult to identify the fault at once. When a sensor is not working correctly, it can cause the lights to flash on the dashboard.