Question about 2008 Toyota Prius

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Warning lights came on

I was doing a oil change and was driving to the store al of a sudden brake system light came on the master light and vehical stability control syste, warning light came on

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May just be a coincidence that the brake warning light came on after the oil change . have you checked the brake fluid level ,if low check the brake pads, if not low check for leaks

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

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SOURCE: warning lights

hi this could be one of a couple of problems the first could be that the alternator isnt charging the battery properly unless you get the revs up then the lights go off. This is the usual problem
The second problem would be a bad earth that comes from the battery if this is the case then removing the earth wire where it comes from the battery and goes to the engine or chassis and then clean behind where this earth touches the chassis or the engine use something like sand paper to remove any corrosion then put the earth wires back on then check if you still have the problem.

Is the brake and battery warning light just one light or is their a light for the brake warning light and a seperate warning light for the battery.

As you say when you apply the brakes or signal these lights come back on then it is going to be a voltage problem it could even be that the battery needs replacing this will need to be tested.

The first thing you should do is get the battery and alternator tested as one of these or even both is often the cause of the problem you are having.

Let me know how you get on or if you have any problems or questions just give me a shout back ok

Posted on May 28, 2008

  • 4 Answers

SOURCE: THE BRAKE LIGHT WARNING LIGHT COMES ON AND THE

well here's a start towards ur problem, due to the auto circuits u have an open return to the negative side of the battery. Have you done anything with the vehicle's systems before this started? the reason fo the strange lighting is that a positive voltage is being applied to what normally would be return side. You will need to get an electrical diagram if possible to pin point area if as previously asked didn't occur.

Posted on Mar 02, 2009

  • 104 Answers

SOURCE: Maintenance light suddenly came on. Have had an oil change recently. Do I need to take it to the dealer or the oil change place to reset it or can I do it myself?

press and hold the trip a reset button then turn on ignion key to the run postion till the light turns out

Posted on Apr 17, 2009

  • 566 Answers

SOURCE: Camry CE 2001: Changed the brake light in the

hi the rear high level brake warning light in rear screen ? works with the other two brake lights at same time when you press brake pedal with ignition on ? so may i suggest you check the other brake lights are working ? if not ? check these bulbs? reason being that from the symptoms you describe that high level light is staying on ? it would suggest that the brake light switch at the pedal is not operating ie not putting brake lights off when pedal is off and would suspect the brake lights have been on for some time and burned bulbs out due to the brakelight element in bulbs are high wattage if you check on what i have suggested? and is the case ? come back and will advise you how to adjust brake switch easy diy hope this helps? best wishes from the uk

Posted on Jan 01, 2010

Testimonial: "The bulb I used to replace the old one was of wrong wattage. The correct bulb solved the problem. Thanks"

  • 24 Answers

SOURCE: My check engine light came on a week ago with the

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.

Posted on Jan 05, 2010

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Do you mean the RSC light ?
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    Brake pads, rotors, and boosters do not cause brakes to fade. They also do not cause the light to come on. Hydraulic leaks cause brakes to fade and also the light to come on. Check all of your brake lines and fittings for leaks. Check also the calipers and/or wheel cyliders for leakage. If you cannot find any external leaks and you are not losing any brake fluid, then the problem is caused by an internal leak in the master cylinder or (if you vehice is equipped with antilock brakes) the antilock control module

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