Low brake fluid - need to know location of fluid container
My wife said that the brakes did not appear to be working properly today. She reported that she had to really press hard on the brake pedal wwhen going down a hill in order to stop. I want to check the fluid level, but am uncertain which fluid container contais the brake fluid versus the pwoer steering fluid.
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The ABS and brake lights on your dash board is cause by low brake
fluid/oil level. When the brake fluid/level of your vehicle is low, the
ABS light and brake light will appear on your dash board, indicating
that it needs to be checked.
So open your bonnet and check the brake fluid/oil and make sure it is
not low. The brake fluid/oil is the first that needs to be checked in a
situation like this.
If the above appears not to be the problem, please let me know.
The master cylinder reservoir should be close to the firewall (at the rear of the engine compartment). Brake fluid will not normally just disappear when a vehicle sits though, and you should have pedal pressure even with low fluid. Chances are that the master cylinder, or a wheel cylinder, is leaking and needs to be replaced.
Hello there. It appears you have three issues. First your srs light could be several issues by itself. This really needs to be diagnosed by first having the DTC's for srs read out. Next, if it is not a specific window but all windows, it could be as simple as checking and replacing the proper fuse, It could also be a more serious issue involving a control module. Unfortunately if this is not a fuse problem, it is also something that needs to be checked with a diagnostic computer, and or qualified technician. There are several fuse panels located within the vehicle located on one or both sides of the dash as you open the front doors. There are many other fuses located in the Signal Aquisition Modules but again should be serviced by a qualified technician. Your red brake light can be as simple as low brake fluid or worn brake parts causing low fluid levels. If it is anything but low brake fluid this is also something that should be addressed by a qualified technician, I say this because your vehicle is equipped with SBC brakes which are electro hydraulic brakes. If these brakes are not disabled before servicing serious bodily harm or damage can occur. Your srs light may be covered by a campaign or recall at no cost to you other than the diagnostic charge.
Definitely sounds like you have a brake fluid leak. It shouldn't be driven anymore until the problem is repaired. The red brake light comes on when the fluid is low. If your in a rusty climate one of the brake lines has probably rusted out. When it dries up try following the lines from the master to each wheel. However since you said you saw smoke when braking i'd bet the leak is near a wheel and fluid hit the rotor or caliper which caused the smoke. In either case, sounds like something has to be replaced / repaired. Good luck.
1.see for the brake fuild level is ok if less then also the break circuit light might appear
2.if the brake switch fail on the fluid container then also the light appear
3.if the hand brake switch fail then also the light appear
4.if the hand brake switch have some play in ti then also in between suddently it will appear while brake is applied
so for more solution do may check out or just visit your nearest authoried BMW service centre.. so untill then have happy motoring & safe driving so see you soon sir...!
based on the very limited amount of information given, in general when the brake light comes on it could be for a variety of reasons but it is always best to start simple. Open the hood and somewhere towards the back you should see a plastic container that houses the brake fluid. It should have a warning on top about using only DOT approved brake fluid or some similar warning. Check the level as indicated on the outside of the brake fluid tank. If it is low add to the proper level. The fluid level will be low because you either have (A) a leak or (B) your brakes are going to need to be changed soon. Adding fluid (should) make the light go off but you should have the brakes inspected ASAP and most places do it for free.
hi you got a brake fliud leak do a visual check around all your wheels at the back of them look for signs of leaks ifyou cannot see any have a look at your master cylinder for leaks if you can,t see any take the wheels off and have a proper look yates210456