It could be. If you fill it and it drains quickly, then yes it needs repair. But sometimes brake fluid just lowers over time and the fluid is all that needs replacing.
As the disk brake pads wear, the callipers will retain more brake fluid. You won't necessarily be LEAKING brake fluid, but you may be needing to examine your brakes.
You have your car towed to a repair station where they will bleed the brake fluid and grease out of the brake system, and replace them with good, clean brake fluid.
Check your Brake fluid. If the fluid is low then will make the Brake light go on. anothe thing is you might be needing new brakes soon..
My Chilton Volvo repair manual ( 1970 to 1983 ) shows ( DOT 4 brake fluid )
Do not drive the car. Have it towed to a repair shop and have the brake fluid changed.
You have a serious brake problem. For your own safety have the vehicle towed to the garage of your choice for repair.
Brake and clutch fluid type: DOT 3 heavy duty brake fluid. - Haynes Repair Manual #36071, 1993-2005 Ford Ranger Pick-ups
DOT ( 4 ) brake fluid , according to my Chilton Volvo ( 1970 - 83 ) repair book
If non brake fluid is added to the master cylinder, possibly.If non brake fluid is added to the master cylinder, possibly.
Spongy brake pedal that can be pumped up to more solid pedal Brake fluid system has been opened for repair or part replacement Spongy brake pedal that can be pumped up to more solid pedal Brake fluid system has been opened for repair or part replacement
You would add DOT-3 brake fluid to the master cylinder brake reservoir. If your not sure please stop by an auto parts store and ask for help. If you have to add brake fluid to the reservoir you need to have the brakes inspected for repair or replacement.
have a repair shop flush the system and refill with the proper fluid.