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Master warning light - 2011 Toyota Sienna

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The Brake warning light comes on. I checked the brake fluid level in master cylinder & it was okay. The fluid looked dirty. Please help


Sharon, Check to make sure emergency brake is not on and fully released, try not to drive your vehicle if the red brake warning light is on. Could have air in the system from a small crack in brake line, faulty master cylinder, faulty caliper etc. Have a good tech. check braking system, diagnose and estimate repair.
Brake Warning Light
Brake Hydraulic System Red Warning Light
What do the brake warning lights mean in my car HowStuffWorks

Aug 18, 2016 | Cars & Trucks

1 Answer

Master warning light is on and I don't know why. Window washer fluid light also on which I can remedy. Would the master warner light be associated with the fluid light?


Master warning light? Are you refering to the check engine light which is yellow? If so, The lights will be unrelated. The check engine light comes on when the vehicles computer detects a problem in one or more of the vehicles operating systems and should be checked to avoid unnecessary and costly repairs

Jan 14, 2016 | 2010 Infiniti QX56

1 Answer

Exclamation light on


It means Master Warning Light. It illuminates when there is any malfunction in the engine and/or the hybrid system of the vehicle. When the master warning light illuminates, it become necessary to get the car be scanned thoroughly for malfunctions.

Aug 22, 2014 | 2005 Toyota Prius

1 Answer

Prius 2005 triangle indication


The Triangle indication:
Description: MASTER WARNING LIGHT.
The battery ECU has a self-diagnosis system. If the computer, High Voltage (HV) battery system or the components are not working properly, the ECU carries out a diagnosis to detect the malfunction, and illuminates the master warning light in the combination meter together with the HV system warning indicator on the multi information display.
NOTE:
The master warning light illuminates when the HV battery system fails and it blinks when in inspection mode.

Apr 17, 2014 | 2006 Toyota Prius

1 Answer

Saturn Vue 07 brake system warning light stays on and chimes intermittently--EB in off position


Check the warning sensor adjustment as the eb system may be worn enough to set it off if the adjustment is too close.

Feb 15, 2014 | Cars & Trucks

1 Answer

Have a 99 Toyota camry n brake light is on after changing right front brake caliper


Master cylinder fluid piston has entered into a brake safe mode.
when the high pressure brake system is opened in any way, the brake master cylinder piston reaches to the far end of the master cylinder which trips the brake system warning light.

This brake light condition is due to sudden loss of brake fluid pressure on the right front brake caliper assembly during the replacement.

Left rear brake caliper bleed valve will ned to be "opened" until master cylinder piston travels into the opposite direction which "resets" the brake system warning light.

Dot 4 brake fluid recommened for most, but not all vehicles.
Reference vehicle to owners manual for replacement fluid is replaced under master cylinder brake system cap.

Aug 18, 2013 | 1993 Buick Park Avenue

1 Answer

My check engine light came on a week ago with the master warning light. The master warning light went off but the check engine light never did and has been on while I'm driving the whole time(I do...


Either take it to a autoparts store and they will turn it off or disconnect the battery for five minutes and the computer will reset. If it comes back on your local auto parts representative can harmlessly run a code check on it to see what the problem is.

Dec 19, 2009 | 2003 Toyota Prius

1 Answer

1996 T-100 dash brake light will not go out


The brake fluid level sensor in the master cylinder is stuck in the lower position which completes the circuit to illuminate the light.. Try tapping lightly on the side of the reservoir to loosen it. If that does not help, you will need to replace the level sensor.
Thanks for choosing FixYa for assistance.

Jan 25, 2009 | 1996 Toyota T100

1 Answer

Break's light and warning sound on


if you changed master yourself ,& bled out air must have computer hooked up for reset

Jan 05, 2009 | 1993 Buick LeSabre

2 Answers

Master warning light


check all 5 doors for closure, the rear hatch usually has the carpet stuck in it.

Jul 16, 2008 | 2008 Toyota Prius

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